* Added the main logic, need to work on Tests
* Added tests for SOD
* Fix typo and add Wikipedia link in comments
* Fix mistake in SumOfDigitsUsingStrings
I intended to initially write a different implementation but I wrote something else 🤦♂️
* Converted Spacing from Tabs to Spaces
* Oops, forgot about the test file
* Fixed semicolon problems...
* Oops, I missed a few semicolons
* Linting is hell TwT
Co-authored-by: SpiderMath <{ID}+{username}@users.noreply.github.com>