Integrate Google Captcha to prevent bogus form entries

[kylemh]

Feature request

With #1095 in, I can see more user-facing forms beyond registration on the horizon. I'd rather not wait until they exist to create a system for preventing bot swarms on our site.

Proposed solution

Integrate Google Captcha with this library (the instructions provided by this library are top-notch 👏 )

For now, let's just implement this on pages/join 👍

Here's the client key: 6LcIHfMUAAAAANEzSejRpPilev7Hj0vI9fxc9q9D

Shouldn't be blocked by OperationCode/back-end#331. For now, we can skip the secret token and always approve any recaptcha attempt!

[Too-Far]

I'll work on this unless anyone else is dying to do it

[danyalasif]

@Too-Far Are you working on this? I can take a shot at this for a first issue. :)

[Too-Far]

I am, I got hung up on something but I think I figured it out.

[LindaCBeall]

@kylemh, close this out or is more work needed?

[kylemh]

🤔 I think we can close this. It'd be nice to have rn, but when we move to using Slack OAuth, we wont have a form.