* [NEW] MessageBox: Expo-av audio recorder

* Refactor MessageBox to accommodate recording button even when recording
* Rename Recording.js -> RecordAudio.js as we could implement video recording in the future

* RecordAudio: Introduce cancel and send buttons

* RecordAudio: Introduce recorderBusy state, refactor MessageBox, remove useless SafeAreaView

* RecordAudio: Better audio quality 

, stop recording on unmount

* RecordAudio: Use FileSystem from expo-file-system instead of RNFetchBlob

* chore: flush out react-native-audio

* fix(MessageBox): bring back some missed styles during refactor

* refactor(RecordAudio): use class component

* refactor(RecordAudio): recorder busy to class property, styling changes

* recorder initialisation changes

* fix(RecordAudio): missing await in isRecordingPermissionGranted

* fix(RecordAudio): set isRecording = false on cancel/finish, refactor perms

Co-authored-by: Diego Mello <diegolmello@gmail.com>