New app: com.siddarthkay.syncup

Required

• The app complies with the inclusion criteria
• The original app author has been notified (and does not oppose the inclusion)
• All related fdroiddata and RFP issues have been referenced in this merge request
• Builds with fdroid build and all pipelines pass
• There is an issue tracker and contact info of the author so that we can report bugs and contact the author.
  • https://github.com/siddarthkay/syncup/issues

Strongly Recommended

• The upstream app source code repo contains the app metadata (summary/description/images/changelog/etc) in a Fastlane or Triple-T folder structure
• Releases are tagged and auto update is enabled

Suggested

• External repos are added as git submodules instead of srclibs
• Enable Reproducible Builds
• Multiple apks for native code (on github releases, not here)

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