Play Store alpha release

[nackko]

Summary:

First release of the Android version on the Google Play Store via a Google group closed alpha test. To gain access, this group must be joined: https://groups.google.com/u/0/g/herdr-testers and further instructions followed

This branch will be tagged.

Expected behavior:

Web flow, via https://play.google.com/apps/testing/com.ludoscity.herdr

Android flow, via https://play.google.com/store/apps/details?id=com.ludoscity.herdr

Please make sure these boxes are checked before submitting your pull request - thanks!

- [ ] Run the unit tests with gradle test to make sure you didn't break anything

• [ ] Format the title like "Fix # - " (for example - "Fix #1111 - Check for null value before using field")
• [ ] Linked all relevant issues
• [ ] Include screenshot(s) showing how this pull request works and fixes the issue(s)