feat(react-navigation): upgrade to react navigation v6

[pedpess]

Description

This PR does the following:

• Update to React Navigation v6
• Type LinkingConfiguration with LinkingOptions
• Remove header from BottomTab.Navigator
• Wraps a set of stack screens into Stack.Group

Ticket Link

Closes #104

How has this been tested?

Played with the app a bit on iOS. There seem to be no regressions in the tabs and stack screens.

Screenshots

Checklist

• Added a "Closes [issue number]" in the ticket link section
• You have not changed whitespace unnecessarily (it makes diffs hard to read)
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens

[watadarkstar]

LGTM

[watadarkstar]

Tested on iOS and Android - works like a charm! Nice work @pedpess I'll add you as a contributor so you can just branch off instead of working off a fork.