Update PyCon India Server and Domain Details

[ananyo2012]

Update after getting the information from Satyakam

[sayanchowdhury]

We had a call with Vignesh, and we've successfully got the details of the servers.

/cc @palnabarun

[palnabarun]

Ref: pythonindia/inpycon2020-tasks#37

[ananyo2012]

@palnabarun Can you update the handbook now ? And mention your name as the PoC to get the credentials.