Git tag releases & upload apk to github releases

[emanuelb]

This repo has no tags and no github releases, please tag the latest releases:

https://github.com/GenesisVision/android-client/tags
https://github.com/GenesisVision/android-client/releases

Publish universal .apk file (Android app) in github releases: (add description of the release & add the .apk file as asset)
https://github.com/GenesisVision/android-client/releases

also while google play version is: 2.6.3 https://play.google.com/store/apps/details?id=vision.genesis.clientapp.investor
The code in repo is with VersionName 2.6.3.1 (and before that was 2.6.0.2)
ed85a75#diff-51a0b488f963eb0be6c6599bf5df497313877cf5bdff3950807373912ac1cdc9