Restructures the repository for aab support while also introducing a number of small repo health changes (add CONTRIBUTORS files, add .gitignore with some default entries and entries for aab builds, remove IDE-/system-specific files from version tracking).
Restructures the repository for
aabsupport while also introducing a number of small repo health changes (add CONTRIBUTORS files, add .gitignore with some default entries and entries for aab builds, remove IDE-/system-specific files from version tracking).