Replace React Router with Expo v3

[birdup000]

Describe the bug A clear and concise description of what the bug is. Expo is broken when trying to deploy on mobile with Expo Go or Expo dev build. To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[birdup000]

In separate branch rn

[birdup000]

https://github.com/birdup000/ADHD-TaskManagementPanel/tree/expo-router-v3