Add more file extensions

[rishabhsingh971]

More file extensions should be added in the crawler.

[rishabhsingh971]

Languages can be extracted from any challenge e.g https://www.hackerrank.com/rest/contests/master/challenges/solve-me-first/

[rajatgoyal715]

Languages can be extracted from any challenge e.g https://www.hackerrank.com/rest/contests/master/challenges/solve-me-first/

@rishabh-smpx This link does not cover every language. I think it depends upon the problem like this one has SQL related languages.
https://www.hackerrank.com/rest/contests/master/challenges/revising-the-select-query/

How are we planning to tackle this problem?

[rishabhsingh971]

Languages can be extracted from any challenge e.g https://www.hackerrank.com/rest/contests/master/challenges/solve-me-first/

@rishabh-smpx This link does not cover every language. I think it depends upon the problem like this one has SQL related languages.
https://www.hackerrank.com/rest/contests/master/challenges/revising-the-select-query/

How are we planning to tackle this problem?

We just have to add these languages too.