refactor: Extract HTTP client and parser into separate modules

[grafuls]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 96.30769% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.70%. Comparing base (a1d5b74) to head (4260a7e).
⚠️ Report is 6 commits behind head on development.

Files with missing lines	Patch %	Lines
src/badfish/helpers/http_client.py	96.31%	6 Missing ⚠️
src/badfish/main.py	93.18%	6 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #453      +/-   ##
===============================================
+ Coverage        90.51%   90.70%   +0.18%     
===============================================
  Files                5        9       +4     
  Lines             2499     2614     +115     
===============================================
+ Hits              2262     2371     +109     
- Misses             237      243       +6     

Flag	Coverage Δ
unittests	90.70% <96.30%> (+0.18%)	⬆️

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[sadsfae]

Nicely structured refactor.