feat(docs): add partial theme override with opentrons.com link

[ecormany]

Overview

Link to opentrons.com in the header of docs.opentrons.com pages.

Addresses RTC-815.

Test Plan and Hands on Testing

Sandbox

Changelog

• Add new partial override with extra
• and hardcoded (our icon library version is black only).

Review requests

Is this the best way to do this?
Do we need the link to remain visible in the smallest responsive designs, when the tab bar collapses to a sidebar?

Risk assessment

low

[jwwojak]

While unobtrusive, and essential, the banner is starting to fill up. And, OT-2 docs are coming, so possibly one more thing to add. Other than that, LGTM.

[ecormany]

Yes, we'll definitely have to make sure that the top banner stays top-level in the future.

[emilyburghardt]

I like the idea and think the picture you shared in the PR looks great.

But, I'm not seeing it on my end in the sandbox? Resizing, reloading, etc. doesn't change it. Almost like I've got mobile version by default. Can clear the cache and try again.

[ecormany]

Almost like I've got mobile version by default.

Weird, is your zoom level set to 100%? I can get it to disappear when I hit the tablet-size breakpoint, but that's only if I make the window smaller or zoom in.

[emilyburghardt]

Aha, zooming in/out fixed it. somehow I was at 150% but didn't see it it any of my other tabs?? Anyways, this looks good.