Add MyMLH authentication

[nlaz]

Description

Similar to support for GitHub, Twitter, or Google authentication, we would also like to support MyMLH authentication. This is a login system used at MLH events, we use it for things like checking out hardware, registering for events, online challenges, our deprecated mentor system, and we have plans to add it into more properties. A lot of hackathon attendees will likely already have a MyMLH account.

We built MyMLH back in 2015 so its due for an update soon. However, we have decent documentation and I'm happy to support anything we need to get this to work. I would personally be thrilled if this was supported.

Some helpful references, we have an OmniAuth strategy available and an example Flask app.

[harshalkaigaonkar]

I'm Interested in this, Is it still open?