feat: Added Lists Follows endpoints (#27)

[myConsciousness]

1. Description

1.1. Checklist

• The title of my PR starts with a Conventional Commit prefix (fix:, feat:, docs: etc).
• I have read the Contributor Guide and followed the process outlined for submitting PRs.
• I have updated/added tests for ALL new/updated/fixed functionality.
• I have updated/added relevant documentation in docs and added dartdoc comments with ///.
• I have updated/added relevant examples in examples.

1.2. Breaking Change

• Yes, this is a breaking change.
• No, this is not a breaking change.

1.3. Related Issues

[myConsciousness]

pass

[github-actions]

Congratulations, this pull request has been reviewed and is ready for merging!

[myConsciousness]

bors merge

[codecov-commenter]

Codecov Report

Merging #115 (ccc5213) into main (bb40a05) will increase coverage by 1.19%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #115      +/-   ##
==========================================
+ Coverage   89.04%   90.23%   +1.19%     
==========================================
  Files          30       30              
  Lines         557      584      +27     
==========================================
+ Hits          496      527      +31     
+ Misses         61       57       -4     

Impacted Files	Coverage Δ
lib/src/service/lists/lists_service.dart	100.00% <100.00%> (ø)
lib/src/twitter_api.dart	100.00% <0.00%> (+26.66%)	⬆️

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[bors]

Build succeeded:

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• test