chore: update spelling mistakes

[ridge-kimani]

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Describe your change:

• Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new JavaScript files are placed inside an existing directory.
• All filenames should use the UpperCamelCase (PascalCase) style. There should be no spaces in filenames.
  Example:UserProfile.js is allowed but userprofile.js,Userprofile.js,user-Profile.js,userProfile.js are not
• All new algorithms have a URL in their comments that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 81.25000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.87%. Comparing base (1d252d7) to head (22ec0ea).

Files with missing lines	Patch %	Lines
Ciphers/KeyFinder.js	0.00%	1 Missing ⚠️
Graphs/Dijkstra.js	0.00%	1 Missing ⚠️
Maths/MatrixMultiplication.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## master #1790 +/- ## ======================================= Coverage 85.87% 85.87% ======================================= Files 377 377 Lines 19720 19720 Branches 3005 3003 -2 ======================================= Hits 16935 16935 Misses 2785 2785 

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[ridge-kimani]

@raklaptudirm @appgurueu Could we merge this first to unblock the rest that are facing similar spelling issues? I've also updated the file names of other files that had spelling mistakes.