Create anagram.c

[ansukaaaa]

An anagram generator for a user entered word

References

Checklist

• Added description of change
• Added file name matches File name guidelines
• Relevant documentation/comments is changed or added
• PR title follows semantic commit guidelines
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I acknowledge that all my contributions will be made under the project's license.

Notes:

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