Rework - Compress the images on welcome and change their format

[v-stamenova]

Description

Please include a summary of the changes and the related issue.

closes #(issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

What needs to be tested

• Example Add a user to the database

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

Coverage report for commit: e39423e
File: coverage.xml

Cover ┌─────────────────────────┐ Freq.
   0% │ ███████████████████████ │ 71.8%
  10% │ █░░░░░░░░░░░░░░░░░░░░░░ │  2.8%
  20% │ █░░░░░░░░░░░░░░░░░░░░░░ │  1.9%
  30% │ █░░░░░░░░░░░░░░░░░░░░░░ │  2.8%
  40% │ █░░░░░░░░░░░░░░░░░░░░░░ │  0.9%
  50% │ ░░░░░░░░░░░░░░░░░░░░░░░ │  0.0%
  60% │ █░░░░░░░░░░░░░░░░░░░░░░ │  0.9%
  70% │ █░░░░░░░░░░░░░░░░░░░░░░ │  1.4%
  80% │ █░░░░░░░░░░░░░░░░░░░░░░ │  0.9%
  90% │ █░░░░░░░░░░░░░░░░░░░░░░ │  2.8%
 100% │ █████░░░░░░░░░░░░░░░░░░ │ 13.9%
      └─────────────────────────┘
 *Legend:* █ = Current Distribution 

Summary - Lines: 27.22% | Methods: 23.42%

Files	Lines	Methods	Branches
app/Actions/Fortify
CreateNewUser.php	90.24%	25.00%	100.00%
PasswordValidationRules.php	100.00%	100.00%	100.00%
ResetUserPassword.php	100.00%	100.00%	100.00%
UpdateUserPassword.php	100.00%	100.00%	100.00%
UpdateUserProfileInformation.php	72.73%	50.00%	100.00%
app/Actions/Jetstream
DeleteUser.php	100.00%	100.00%	100.00%
app/Actions/Log
ApprovalHandler.php	95.83%	50.00%	100.00%
app/Actions/Permissions
ReadPermissionConfig.php	100.00%	100.00%	100.00%
app/Actions/Schedule
PresentationAllocationHelper.php	-	-	100.00%
PresentationConflictChecker.php	-	-	100.00%
ResetSchedule.php	-	-	100.00%
app/Actions/Users
AddParticipantToCompanyHandler.php	-	-	100.00%
app/Console/Commands
AddParticipantToCompany.php	-	-	100.00%
AddSpeakerToPresentation.php	-	-	100.00%
AddToHz.php	-	-	100.00%
ApproveLastCreatedCompany.php	-	-	100.00%
ConfirmAllEmails.php	-	-	100.00%
CreateAdmin.php	7.69%	33.33%	100.00%
ModifyTimeslotDuration.php	-	-	100.00%
SyncPermissions.php	96.77%	85.71%	100.00%
UpsertMasterData.php	73.91%	40.00%	100.00%
app/Events
FinalProgrammeReleased.php	-	-	100.00%
app/Http/Controllers
CompanyController.php	-	-	100.00%
Controller.php	100.00%	100.00%	100.00%
FrequentQuestionController.php	-	-	100.00%
HomeController.php	100.00%	100.00%	100.00%
InvitationController.php	-	-	100.00%
PresentationController.php	-	-	100.00%
ProgrammeController.php	-	-	100.00%
RegistrationController.php	25.00%	-	100.00%
SpeakerController.php	-	-	100.00%
app/Http/Controllers/Crew
BoothController.php	57.78%	66.67%	100.00%
CompanyController.php	96.70%	75.00%	100.00%
CrewController.php	-	-	100.00%
DefaultPresentationController.php	100.00%	100.00%	100.00%
EditionController.php	-	-	100.00%
FrequentQuestionController.php	-	-	100.00%
PresentationController.php	86.54%	66.67%	100.00%
RoomController.php	88.00%	80.00%	100.00%
ScheduleController.php	-	-	100.00%
SponsorshipController.php	94.44%	66.67%	100.00%
UserController.php	-	-	100.00%
app/Http/Controllers/Hub
CompanyController.php	-	-	100.00%
ParticipantController.php	-	-	100.00%
app/Http/Livewire
AuthNavigationMenu.php	-	-	100.00%
DownloadPresentation.php	-	-	100.00%
EmailNotificationPreference.php	-	-	100.00%
GuestNavigationMenu.php	-	-	100.00%
OverrideDifficulty.php	-	-	100.00%
ReleaseFinalProgramme.php	-	-	100.00%
RoomAndTimeslotSelector.php	-	-	100.00%
ShowNotification.php	-	-	100.00%
app/Http/Livewire/Booths
DeleteBoothForm.php	-	-	100.00%
EditBoothModal.php	-	-	100.00%
app/Http/Livewire/Companies
DeleteCompanyForm.php	-	-	100.00%
app/Http/Livewire/DefaultPresentations
EditDefaultPresentationForm.php	-	-	100.00%
app/Http/Livewire/Presentations
DeletePresentationForm.php	-	-	100.00%
EditPresentationModal.php	-	-	100.00%
app/Http/Livewire/Rooms
DeleteRoomForm.php	-	-	100.00%
app/Http/Livewire/Schedule
AddTimeslotPadding.php	-	-	100.00%
RemovePresentationFromSchedule.php	-	-	100.00%
ReplacePresentation.php	-	-	100.00%
ResetTimeslots.php	-	-	100.00%
app/Http/Livewire/Sponsorships
CreateSponsorshipForm.php	-	-	100.00%
DeleteSponsorshipForm.php	-	-	100.00%
app/Http/Livewire/Users
DeleteUserForm.php	-	-	100.00%
app/Http/Middleware
EditionMiddleware.php	33.33%	-	100.00%
app/Http/Requests
StorePresentationRequest.php	100.00%	100.00%	100.00%
app/Listeners
HandleFinalProgrammeReleased.php	-	-	100.00%
app/Livewire
AuthNavigationMenu.php	100.00%	100.00%	100.00%
ConfirmationModal.php	-	-	100.00%
EmailNotificationPreference.php	-	-	100.00%
GuestNavigationMenu.php	100.00%	100.00%	100.00%
NotificationsList.php	-	-	100.00%
app/Livewire/Booth
CreateBooth.php	14.63%	28.57%	100.00%
DeleteBoothModal.php	-	-	100.00%
EditBoothModal.php	-	-	100.00%
JoinBoothOwnerModal.php	-	-	100.00%
app/Livewire/Company
AddMember.php	-	-	100.00%
AddParticipant.php	-	-	100.00%
BoothRequest.php	-	-	100.00%
DeleteCompany.php	-	-	100.00%
DeleteCompanyModal.php	-	-	100.00%
DetailsForm.php	-	-	100.00%
EditCompanyModal.php	-	-	100.00%
ManageLogo.php	-	-	100.00%
MemberManager.php	-	-	100.00%
RemoveMember.php	-	-	100.00%
SponsorshipRequest.php	-	-	100.00%
UpdateMemberRole.php	-	-	100.00%
app/Livewire/Crew
AssignRoleToUser.php	-	-	100.00%
RevokeRoleOfUser.php	-	-	100.00%
RolePermissionsInfo.php	-	-	100.00%
app/Livewire/Edition
ActivateEditionModal.php	-	-	100.00%
AddKeynoteModal.php	-	-	100.00%
DeleteEditionModal.php	-	-	100.00%
EditEditionModal.php	-	-	100.00%
app/Livewire/EditionEvent
EditEditionEventModal.php	-	-	100.00%
app/Livewire/Forms
BoothForm.php	-	-	100.00%
CompanyForm.php	-	-	100.00%
DefaultPresentationForm.php	-	-	100.00%
EditionEventForm.php	-	-	100.00%
EditionForm.php	-	-	100.00%
FrequentQuestionForm.php	-	-	100.00%
KeynoteForm.php	-	-	100.00%
PresentationForm.php	-	-	100.00%
RoomForm.php	-	-	100.00%
app/Livewire/FrequentQuestions
DeleteFrequentQuestionModal.php	-	-	100.00%
EditFrequentQuestionModal.php	-	-	100.00%
app/Livewire/Presentation
DeletePresentationModal.php	-	-	100.00%
EditPresentationModal.php	-	-	100.00%
JoinAsSpeakerModal.php	-	-	100.00%
UploadPresentation.php	-	-	100.00%
app/Livewire/Registration
CompanyBasicForm.php	8.33%	25.00%	100.00%
CompanyInternshipsForm.php	14.29%	33.33%	100.00%
CompanyLocationForm.php	10.00%	33.33%	100.00%
CompanyMotivationForm.php	16.67%	33.33%	100.00%
CompanyRepresentativeForm.php	7.69%	33.33%	100.00%
ParentComponent.php	2.44%	25.00%	100.00%
SelectCountryCode.php	25.00%	28.57%	100.00%
app/Livewire/Room
DeleteRoomModal.php	-	-	100.00%
EditRoomModal.php	-	-	100.00%
app/Livewire/Schedule
AddDefaultPresentation.php	-	-	100.00%
Cell.php	-	-	100.00%
ConfirmResetScheduleModal.php	-	-	100.00%
DefaultPresentation.php	-	-	100.00%
EditDefaultPresentationModal.php	-	-	100.00%
GridParentComponent.php	-	-	100.00%
Presentation.php	-	-	100.00%
PresentationModal.php	-	-	100.00%
PublishProgrammeButton.php	-	-	100.00%
PublishProgrammeModal.php	-	-	100.00%
app/Livewire/Sponsorship
DeleteSponsorshipModal.php	-	-	100.00%
app/Livewire/Users
UserFilteringList.php	-	-	100.00%
app/Mail
BoothApprovedMailable.php	100.00%	100.00%	100.00%
BoothDisapprovedMailable.php	-	-	100.00%
CancelledPresentationMailable.php	-	-	100.00%
CompanyApprovedMailable.php	100.00%	100.00%	100.00%
CompanyDisapprovedMailable.php	100.00%	100.00%	100.00%
CompanyRepInvitation.php	100.00%	100.00%	100.00%
CustomCompanyInvitation.php	-	-	100.00%
FinalProgrammeReleasedMailable.php	-	-	100.00%
GenericNewUpdatesMailable.php	-	-	100.00%
PresentationApprovedMailable.php	-	-	100.00%
PresentationDisapprovedMailable.php	-	-	100.00%
SponsorshipApprovedMailable.php	100.00%	100.00%	100.00%
SponsorshipDisapprovedMailable.php	100.00%	100.00%	100.00%
UserInvitation.php	-	-	100.00%
app/Models
Booth.php	100.00%	100.00%	100.00%
Company.php	85.92%	77.78%	100.00%
DefaultPresentation.php	-	-	100.00%
Difficulty.php	-	-	100.00%
Edition.php	17.31%	29.41%	100.00%
EditionEvent.php	-	-	100.00%
Event.php	-	-	100.00%
FrequentQuestion.php	100.00%	100.00%	100.00%
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