📝 Document OAuth 1.0, 1.0a differences

[pboling]

No description provided.

[github-actions]

Package	Line Rate	Branch Rate	Health
oauth	84%	54%	➖
Summary	84% (836 / 1000)	54% (150 / 277)	➖

Minimum allowed line rate is 81%

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.27%. Comparing base (3bde8b0) to head (bf25a71).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #336   +/-   ##
=======================================
  Coverage   84.27%   84.27%           
=======================================
  Files          36       36           
  Lines        1062     1062           
  Branches      298      298           
=======================================
  Hits          895      895           
  Misses        167      167           

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