Add support for fading messages

[elmattic]

Summary of changes

Changes introduced in this pull request:

• Add support for fading (and disappearing) messages
• Improve message display with the offensive address

Reference issue to close (if applicable)

Closes #89

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code
  adheres to the team's
  documentation standards,
• I have added tests that prove my fix is effective or that my feature works
  (if possible),

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 44 lines in your changes missing coverage. Please review.

Project coverage is 10.44%. Comparing base (d11c14e) to head (0cf3d1c).

Files with missing lines	Patch %	Lines
src/faucet/views.rs	0.00%	34 Missing ⚠️
src/faucet/controller.rs	0.00%	8 Missing ⚠️
src/utils.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #117      +/-   ##
==========================================
- Coverage   10.72%   10.44%   -0.28%     
==========================================
  Files          25       25              
  Lines        1222     1254      +32     
==========================================
  Hits          131      131              
- Misses       1091     1123      +32     

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