Restructure mobile app navigation to use feature-based modular architecture

[Smartdevs17]

Context

Navigation is flat and needs feature-based modularization.

Current Limitation

All screens are in a single navigation tree.

Expected Outcome

• Feature-based navigation modules
• Lazy-loaded feature modules
• Navigation testing utilities
• Navigation documentation

Acceptance Criteria

• Feature-based navigation modules
• Lazy loading for non-critical features
• Navigation testing utilities
• Navigation documentation
• Navigation performance benchmarks
• Navigation error boundaries
• Navigation analytics

Technical Scope

• src/navigation/AppNavigator.tsx - Main navigator
• src/screens/ - Screen components
• app/screens/ - Extended screens
• src/hooks/ - Navigation hooks

[samsonmbah002]

@samsonmbah002 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Good day. I would like to work on these.

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This issue has been completed by @samsonmbah002 as part of the Stellar Wave Program's 7th Wave 🥳

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