feat(router): ENG-5727 router impl

[crherman7]

Describe your changes

Add implementation of routing solution as thin-client around react-native-navigation.

• path based routing (bottom tab + component + action)
• route guards
• bottom tab + single stack layout
• route context hooks
• native modals
• tab-affinity
• global provider
• pre-launch script

Issue ticket number and link

Ticket ENG-5727 Ticket ENG-5728 Ticket ENG-5729 Ticket ENG-5730

Type of change

• [x] New feature (non-breaking change which adds functionality)

Test Plan

Run the example app.

Checklist before requesting a review

• [x] A self-review of my code has been completed
• [x] Tests have been added / updated if required