Allow geolocation for Food Oasis widget

[myronchen-git]

Fixes #7990

What changes did you make?

• Added a new iframe property, allow, in the Food Oasis project markdown.

• Updated the project layout to include an allow attribute for iframes.

  Note that this will leave an allow attribute that is set to an empty String in the HTML if there is no allow property in a project markdown file.

Why did you make the changes (we will use this info to test)?

• The Food Oasis widget was not allowing users to re-center on their current location.
• The project layout had to be changed, because the rendering was not reading the new allow property from the markdown files in the _projects directory.

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From your project repository, check out a new branch and test the changes.

git checkout -b myronchen-git-allow-food-oasis-widget-geolocation-7990 gh-pages
git pull https://github.com/myronchen-git/website.git allow-food-oasis-widget-geolocation-7990

[myronchen-git]

I do not know if there is a procedure for changing the code for the project layout (_layouts\project.html). Please inform me if I am missing something.

[lastCoyotes]

ETA: By 6pm today.
Availability: Mon-Thurs 12p-6p

[lastCoyotes]

Code changed requesting in the scope of the issue works and the visual and functional changes are consistent.

I looked into your question as well and followed through your process you left in #7990 and I believe the changes you made to the project.html file were necessary. I couldn't find anything that would interfere with other iframes on other pages. I don't see any glaring issues to making this change outside of the issue, so I approve this PR!

[daras-cu]

@myronchen-git great job with this issue, I tested your changes locally and the locator button now works correctly. Your changes to project.html were necessary and do not affect other projects as only the Food Oasis page contains an iframe.

Everything with the PR looks good as well, thanks for the thorough explanation of the steps you took and why.