Beta2

Changelog

• Updated database v0.0.4, including...
  • OpenData input files: XML format has been replaced by Json
  • New dataset: trees of the parks of Barcelona
• Android ID is now: "io.github.pedrolcl.barnatrees"
• Android multi-arch APK. Single package for all architectures
• Centered splash screen
• documentation

This release is using Qt 5.15, and it is probably the last one, because in Qt6 the Qt Location maps are gone. Enjoy!