Feat map page

[hetd54]

Until we meet with David to see what data and interest he has in an interactive map, I've put the static image of the map from the old site.

Added

Files

Image of MMP map

Components

svg/Arrow.tsx : An arrow svg that I use as a button in a link to the documentation page at the bottom of the Map page.

Layouts

Home.astro: made this alternate layout specifically for the home page, which has a lede with extra spacing

Pages

map.astro: the map page

Questions for reviewers

I am on the fence about what information is included here vs. the documentation page. On the old site, OPR has:

Study Design
Sample Design
Selecting Communities
Ethnosurvey
Interview Process
Data Coding / Weights

I have the general "Study Design" page information on here since the documentation page is going to be MASSIVE otherwise. What do you think -- should we ask David what information is important to include on the site?

Is the method I used of "Read the Documentation" with the svg button accessible?

[github-actions]

Visit the preview URL for this PR (updated for commit fd13905):

https://mmp-site-b1c9b--pr46-feat-map-page-b49ke3nf.web.app

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[galenwinsor]

This looks good to me for now! In response to your question: I think this is fine for now. I would change the "read more" link to include the text as well, and remove the role="button".

[broarr]

This all looks great. I have the same comment as @galenwinsor

[galenwinsor]

LGTM (let's gamble, try merging)