Integrate Welcome Bot

[muthuannamalai12]

I can add a welcome bot config file having a proper message that will show up when any user will open up an issue or pull-request for the first time.
For reference, check out: https://github.com/apps/welcome

Please assign it to me as a part of Cross Woc.

[Tejas1510]

Go ahead @muthuannamalai12

[muthuannamalai12]

@Tejas1510 We need a code of conduct file for the custom message shown by the welcome bot. So can I create a new issue and add a code of conduct file first.

[Tejas1510]

@muthuannamalai12 one person is currently working on it

[muthuannamalai12]

@muthuannamalai12 one person is currently working on it

Ok. I will wait until they finish and start mine. Thank you for your reply @Tejas1510