Implement contact form functionality

[ZaynJarvis]

Implement contact form function and push to release soon.

[clarencecastillo]

What is the expected behaviour for this? I suggest we hook up an emailing service in our api first (see ntuoss/hackoss-api#2) and then use that to send an email to our admin account whenever someone fills this form up.

[GPHofficial]

How about using external services
https://formspree.io/