Fix typos and Markdown lint warnings

[bact]

• Fix typos
  • addditional -> additional
  • formated -> formatted
  • commplete -> complete
• Fix Markdown lint warnings
  • Ensure one blank line before and after headings
  • Ensure one blank line before and after lists
  • Fix HTML anchors to use lowercase (as they were generated from the headings)
  • Remove trailing spaces at the end of line
  • Ensure one blank line at the end of file
  • Add language code to code block when possible

[bact]

@microsoft-github-policy-service agree

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.13%. Comparing base (fb37a5a) to head (5208529).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #740   +/-   ##
=======================================
  Coverage   70.13%   70.13%           
=======================================
  Files         277      277           
  Lines        8646     8646           
  Branches     1006     1006           
=======================================
  Hits         6064     6064           
  Misses       2063     2063           
  Partials      519      519           

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[sfoslund]

Thanks for the contribution!