docs: add karshil2309 as a contributor for code (#2055)

* update README.md [skip ci]

* update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

allcontributors[bot] committed 4y ago

4c1f5cf7fe8cf4ecd427fb5603158bbe17a51406

Parent: 57fe447

Committed by GitHub <noreply@github.com> on 10/4/2022, 5:42:31 PM