feat: add support for Waterfox browser detection

[monkeyWie]

Fixed: #1091 GopeedLab/browser-extension#91

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.93%. Comparing base (a2a9e3d) to head (56928b6).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1146      +/-   ##
==========================================
- Coverage   65.95%   65.93%   -0.02%     
==========================================
  Files          42       42              
  Lines        5075     5075              
==========================================
- Hits         3347     3346       -1     
- Misses       1409     1410       +1     
  Partials      319      319              

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