Merge pull request #1 from jackss011/core/repo

Saving last state

Styled LoopLibrary chip

FIX: updating pb state when MainActivity.kt is started

Playing when adding loop

Caching intensity when removing loop

Improved bottom bar layout

Small style tweaks

Improved app layout

Added active loop options menu

Added active loop expansion

Added item_active_loop.xml expand icon

Improved item_active_loop.xml style

Added RecyclerView spacing decoration

Added margins to LoopLibrary