ADD FILES for open source contributions

[bhaskarbhar]

Whenever you are open sourcing projects, consider adding three main things:
LICENCE.txt
CODE_OF_CONDUCT.md
CONTRIBUTOR_GUIDE.md

You can get LICENCE freely from the https://choosealicense.com/

I prefer the MIT one.

[AnkitSinghGTHB]

true

[dwaidatta]

Added:

LICENCE.txt
CODE_OF_CONDUCT.md
CONTRIBUTOR_GUIDE.md (can be polished later)

Left:

Proper README
Documentation
Youtube video explaining structure (optional)