Refactor directory structure, update _config.yml to match opensource.guide

[ahpook]

This change updates the directory structure of the jekyll site, moving
the language-specific directories under _articles and updating the
front matter / _config.yml to match.

The goal was to clean up the root of the repository and bring the
config in line with that used by the opensource.guide site.

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[Copilot]

Copilot reviewed 48 out of 54 changed files in this pull request and generated no comments.

Files not reviewed (6)

• _articles/ar/index.html: Language not supported
• _articles/bg/index.html: Language not supported
• _articles/bn/index.html: Language not supported
• _articles/de/index.html: Language not supported
• _articles/es/index.html: Language not supported
• _articles/fa/index.html: Language not supported

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[jmeridth]

All LGTM. Very nice.

Non blocking question:

Do we want the index.html, businesses.html and maintainers.html now in the _articles root to be under an en directory or that will break things?

[ahpook]

Do we want the index.html, businesses.html and maintainers.html now in the _articles root to be under an en directory or that will break things?

I think without more extensive surgery they need to live where they are. Based on my primitive understanding, this is because they are the default en / English versions served if the user doesn't pick a different language. Same with the index.html that remains in the repo root. It's like that in github/opensource.guide too...

[jmeridth]

Do we want the index.html, businesses.html and maintainers.html now in the _articles root to be under an en directory or that will break things?

I think without more extensive surgery they need to live where they are. Based on my primitive understanding, this is because they are the default en / English versions served if the user doesn't pick a different language. Same with the index.html that remains in the repo root. It's like that in github/opensource.guide too...

That's what I guessed. Had to ask. Nice clean up and standardize.