Fix/issue 647 + add snail

[thuynguyenbm]

• fix bug: delete all pets with the same name
• fix bug: add snail to UI
  I enjoy this extension and want to contribute to it ^^!

[thuynguyenbm]

#647

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 17.04%. Comparing base (cd3b4af) to head (d6a74d9).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/panel/pets.ts	0.00%	5 Missing ⚠️
src/panel/main.ts	0.00%	3 Missing ⚠️
src/extension/extension.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #648      +/-   ##
==========================================
- Coverage   17.06%   17.04%   -0.02%     
==========================================
  Files          25       25              
  Lines        1260     1261       +1     
  Branches      167      167              
==========================================
  Hits          215      215              
- Misses       1039     1040       +1     
  Partials        6        6              

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[tonybaloney]

Thanks for the fix!