Native start end view to track JS Screens

[TheMutsi]

Goal

Use spans for iOS and logRNAction for Android (This will be changed in the future) to track JS screens in react-native-navigation and react-navigation

[codecov]

Codecov Report

Attention: Patch coverage is 94.44444% with 1 line in your changes missing coverage. Please review.

Please upload report for BASE (5.0@38d73e8). Learn more about missing BASE report.

Files	Patch %	Lines
...s/react-native-navigation/src/NavigationTracker.ts	88.88%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##             5.0      #69   +/-   ##
======================================
  Coverage       ?   77.95%           
======================================
  Files          ?       28           
  Lines          ?     1225           
  Branches       ?      100           
======================================
  Hits           ?      955           
  Misses         ?      270           
  Partials       ?        0           

Files	Coverage Δ
packages/core/src/index.ts	91.15% <100.00%> (ø)
packages/react-navigation/src/index.ts	88.09% <100.00%> (ø)
...s/react-native-navigation/src/NavigationTracker.ts	95.65% <88.88%> (ø)