Allow pull requests to repositories hosted on other platforms (gitlab)

[akhil-ghatiki]

Hactoberfest restricts the pull request only to github repositories. This dashboard can be more inclusive to allow contributions to repositories hosted on other platforms like gitlab etc.
This option can be configurable.

[akhil-ghatiki]

Fixed the issue in this PR - #3

[karuppiah7890]

We can close this issue :)