chore: Add typos spell check

[vdusek]

Description

• Add typos spell check
• Fix spelling errors

Issues

• Closes: Integrate a spell checker for documentation crawlee-python#626

Testing

• N/A

Checklist

• CI passed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.01%. Comparing base (8331245) to head (1c1753f).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #563   +/-   ##
=======================================
  Coverage   76.01%   76.01%           
=======================================
  Files          42       42           
  Lines        2468     2468           
=======================================
  Hits         1876     1876           
  Misses        592      592           

Flag	Coverage Δ
integration	68.96% <ø> (ø)
unit	64.58% <ø> (ø)

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