feat(blog): restructure posts into YEAR/MONTH folders

[nohe427]

We should prepare to handle more volume of blogs in the blog site. Therefore, we are going to restructure the blog site to a more readable format that allows contributors to be able to find the blog they are working on easily.

[gemini-code-assist]

Code Review

This pull request restructures the blog post directory to organize posts by date (YEAR/MONTH/post-slug.mdx), updating the README documentation and asset guidelines accordingly. It also adds 301 redirects in firebase.json for the relocated blog posts. The feedback suggests appending trailing slashes to the destination URLs in the redirect rules to maintain consistency and prevent potential double redirects.

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[chrisraygill]

/gcbrun

[nohe427]

/gcbrun

[chrisraygill]

Is it explicitly intended for the date folder structure to be part of the URL? Astro Starlight does that by default, but it is overrideable (I think).

[nohe427]

Is it explicitly intended for the date folder structure to be part of the URL? Astro Starlight does that by default, but it is overrideable (I think).

Yeah, I think having the date as part of the URL makes reading the site a little easier and helps avoid collisions. Right now, blogs are showing at the root: https://genkit.dev/blog/streaming-thoughts/

One thing I was hoping to avoid is something like https://genkit.dev/blog/agents/ https://genkit.dev/blog/agents2/ https://genkit.dev/blog/agents3/