[Tutorial] String Reversal Techniques

[photon149]

Description
Mention about the various String Reversal methods and techniques and also define a tutorial section for practicing the same

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Please count my PR towards Hacktoberfest contribution

[photon149]

@funbeedev can you please assign me the same

[funbeedev]

Open for hacktoberfest 2022 contributions. Submit tutorial under file: string-formatting/string-reversal.py

[photon149]

Sure will do that @funbeedev .
Thanks.

[funbeedev]

Still open for anyone to write a tutorial!

[i-ganza007]

Hey , I think I can help as well @i-ganza007