#38 Implement a dark mode

[apomalyn]

📜 Description

• Implement a dark theme
• Introduce the ThemeMode system to determine which theme to use

Closes #38

Light mode (no changes)

Dark mode 🌙

💡 Motivation and Context

The package is currently stuck to light mode by default and needs the developers to implement their own dark mode which will not be perfect (the control panel will stay light). This PR fixes it!

By default, a dark mode will be provided and the developers can customize it and also control the [ThemeMode]!

💚 How did you test it?

Added some golden tests to check the dark mode

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• I updated the docs if needed
• All tests passing
• No breaking changes

🔮 Next steps

[ueman]

Thanks! This is awesome! I'll try to give a review tomorrow.

[apomalyn]

I updated my branch to get the latest changes, the workflow should pass now 😄

[codecov]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (1fa9054) 85.87% compared to head (63cd12d) 84.10%.
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #241      +/-   ##
==========================================
- Coverage   85.87%   84.10%   -1.78%     
==========================================
  Files          20       20              
  Lines         616      648      +32     
==========================================
+ Hits          529      545      +16     
- Misses         87      103      +16     

Files	Coverage Δ
feedback/lib/src/better_feedback.dart	97.95% <100.00%> (+0.18%)	⬆️
feedback/lib/src/feedback_bottom_sheet.dart	82.25% <100.00%> (+0.29%)	⬆️
feedback/lib/src/feedback_controller.dart	100.00% <ø> (ø)
feedback/lib/src/l18n/localization.dart	91.66% <100.00%> (-0.65%)	⬇️
feedback/lib/src/theme/feedback_theme.dart	86.95% <100.00%> (+11.95%)	⬆️
feedback/lib/src/utilities/feedback_app.dart	90.47% <90.90%> (-9.53%)	⬇️
...ack/lib/src/utilities/media_query_from_window.dart	0.00% <0.00%> (-63.64%)	⬇️
feedback/lib/src/feedback_widget.dart	91.25% <82.27%> (+0.34%)	⬆️

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[apomalyn]

👋 @ueman
I'm going to check this evening to improve the code coverage.
For the builds failing it seems like it's not related to my PR, but I can check to fix it if you want

[ueman]

Thanks again. The current CI failures are indeed unrelated to this PR

[ueman]

This should probably go into the theme

[apomalyn]

I tried a different approach for this one, let me hear your thoughts! 😄

[ueman]

Hey, thanks again, this is a great improvement. Sorry for the delay 😓