Add resources

[axecopfire]

Add online Resources you found helpful in your coding journey to the readme file.

[SHUBHAMGOGATE]

Ok so I have a few tutorials I want to refer how and where do I do it

[tyrannaut]

Hi there. I have a few contributions to make to the Resources doc. Are you happy for me to fork and PR?

[3Nakajugo]

Hello I would like to contribute a few resources.

[wehjey]

Hi there, I would like to add some resources to the repo