162 - Make Syntax Consistent in docs for Auth Types

[da1910]

Closes #162

This PR makes the readme documentation self-consistent. All methods referred to have leading .s.

[codecov]

Codecov Report

Merging #178 (d9e66bb) into main (b5bb855) will not change coverage.
The diff coverage is n/a.

❗ Current head d9e66bb differs from pull request most recent head 221b49c. Consider uploading reports for the commit 221b49c to get more accurate results

@@           Coverage Diff           @@
##             main     #178   +/-   ##
=======================================
  Coverage   91.88%   91.88%           
=======================================
  Files           8        8           
  Lines         826      826           
=======================================
  Hits          759      759           
  Misses         67       67           

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