chore: Add typos spell check and fix spelling errors

[vdusek]

Description

• Add typos spell check
• Fix spelling errors

Issues

• Closes: Integrate a spell checker for documentation #626

Testing

• N/A

Checklist

• CI passed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.49%. Comparing base (ba3e3b1) to head (044c19b).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1628   +/-   ##
=======================================
  Coverage   92.49%   92.49%           
=======================================
  Files         157      157           
  Lines       10421    10421           
=======================================
  Hits         9639     9639           
  Misses        782      782           

Flag	Coverage Δ
unit	92.49% <100.00%> (ø)

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[janbuchar]

Cool! That was way less typos than what I expected 😁

[vdusek]

Cool! That was way less typos than what I expected 😁

yeah, because I fixed them about a month ago (#1539) 😄