WIP: duplicate signature issue with an empty pbxproj file

[tyrauber]

Description

Apparently, cocoapods will install with an empty pbxproj file, and prevent signing and the duplicate signature issue.

Checklist

• I have tested this on a device/simulator for each compatible OS
• I formatted JS and TS files with running yarn lint:fix in the root folder
• I have run tests via yarn test in the root folder
• I updated the documentation with running yarn generate in the root folder
• I mentioned this change in CHANGELOG.md
• I updated the typings files (index.d.ts)
• I added/updated a sample (/example)

Screenshot OR Video

[tyrauber]

This branch still results in the duplicate signature issue on EAS.