Adding Contributing.md

[SrishtiSinha2003]

Hii, @SumitGorai01
I'm a GSSoC'25 contributor. I would love to work on this.
Can you please assign this to me.

[dipak207]

"Hi, can I work on this issue?"

[Pratik-Bavche]

Hi, I am an open-source contributor and would be happy to work on this issue under SWOC. Kindly assign it to me.