Add small amount of content to login page

[mattkrick]

for SEO purposes, we should add some copy to the login page so google has something to munch on that isn't the meta.

AC

• [ ] SEO-driven copy written & put somewhere on the signup/login page

Estimate: 4 hours

[avivapinchas]

Suggested copy:

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[github-actions[bot]]

Stale issue

[avivapinchas]

This issue is still relevant - adding a bit of copy to the login page should help with SEO.

[github-actions[bot]]

Stale issue

[jordanh]

Trivial, this time actually reprioritizing it

[github-actions[bot]]

Stale issue

[jordanh]

Wow. This got marked stale again. I am going to put this in the next sprint