fix(docs): fix grammar errors in README, examples, and test comments

[strbrgr]

Which issue does this PR close?

Closes #3009

Rationale

Reading through the documentation I noticed a few misspellings and grammar errors.

What changed?

Changes only affect documentation via README's and comments within files. No change in core functionality.

Local Execution

• Passed
• Pre-commit hooks ran

[krishvishal]

@strbrgr CI failed due to PR title validation.

Edit the title to something like:

docs: fix grammar errors in README, examples, and test comments

or

fix(docs): fix grammar errors in README, examples, and test comments

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.83%. Comparing base (d4a5287) to head (53e4a02).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3011      +/-   ##
============================================
- Coverage     71.86%   71.83%   -0.03%     
  Complexity      930      930              
============================================
  Files          1118     1118              
  Lines         92992    92992              
  Branches      70511    70511              
============================================
- Hits          66828    66803      -25     
- Misses        23607    23619      +12     
- Partials       2557     2570      +13     

Flag	Coverage Δ
rust	72.54% <ø> (-0.04%)	⬇️

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see 19 files with indirect coverage changes

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[strbrgr]

@strbrgr CI failed due to PR title validation.

Edit the title to something like:

docs: fix grammar errors in README, examples, and test comments

or

fix(docs): fix grammar errors in README, examples, and test comments

My bad thanks for catching that. I don't see an option to re-run the failed stage and don't want to just add a commit for no reason. Are you able to kick that off again?

[mmodzelewski]

Thanks @strbrgr for the contribution!