Added watchlist in Seerr

[TheyCallMeSpy]

Pull Request

Summary

Provide a brief description of what this PR changes and why.

Related Issues

Link related issues or tickets separated by commas.

• Closes [Feature] Watchlist in Seerr #147

Type of Change

• Bug fix
• New feature
• Refactor
• Performance improvement
• UI/UX update
• Documentation update
• Build/CI change
• Other (describe):

Changes Made

List the key changes included in this PR.

• Added watchlist row
• Added "Add to Watchlist" and ""Remove from Watchlist" button in details info

Platform

• Android
• iOS
• macOS
• Windows
• Linux
• All / Shared code

Testing

Describe how this change was tested.

• Tested on emulator / simulator
• Tested on physical device
• Manual testing completed
• Not tested (explain why):

Test Steps

1. Go to Seerr
2. See watchlist row (Need to have media in watchlist, and toggle it in setting if it's still not there)
3. Click on any media and can toggle watchlist (To see change in watchlist row, you need to refresh it by clicking on tab again)

Screenshots (if applicable)

Include screenshots or recordings for UI changes.

Checklist

• Code builds successfully
• Code follows project style and conventions
• No unnecessary commented-out code
• No new warnings introduced (Beside localization)