svg - adding in googlecalendar

[joelouthan]

What does this PR change? What problem does it solve?

This PR only adds the svg icon of googlecalendar. I keep a link to add appointments on home page and use this icon to display that.

https://theologic.us/

Was the change discussed in an issue or in the Discussions before?

No. This is something I manually have to do every time I decide to sync my fork

PR Checklist

• This change adds/updates translations and I have used the template present here.
• I have enabled maintainer edits for this PR.
• I have verified that the code works as described/as intended.
• This change adds a Social Icon which has a permissive license to use it.
• This change does not include any CDN resources/links.
• This change does not include any unrelated scripts such as bash and python scripts.
• This change updates the overridden internal templates from HUGO's repository.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[joelouthan]

@adityatelange is there anything else I can do?