* Replace react-native-root-toast with a custom toast that fits the visual style
* Tune dark mode colors
* Tune colors a bit more
* Move the reply prompt to a fixed position in the footer
* Fully hide muted posts but give a control to show anyway (close#270)
* Improve thread rendering (better clarity on reply lines)
* Add follower/following counts to side menu
* Fix issues with display name overflows
