master branch
the order:
- master
- hello
- sign
- linear-layout
- frame-layout
- constraint-layout
- login
- pick-contact
- fragment
- recyclerview
- viewtype
- thread
- handler
- rxjava
- sp
- raw
- room
- network
- arch
- test
- compose
- compose-state
- flow
- feed
- navigation
- js-bridge
- message-bus