Update starlight docs 2

[mikemazara]

Guides, 404, Modal, and docs

Reference Issues or PRs

What does this implement/fix?

Put a x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds a feature)
• Breaking change (fix or feature that would cause existing features not to work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build related changes
• Other (please describe):

Testing

• Did you test the pull request locally?
• Did you add new tests?

Documentation

Access-centered content checklist

Text styling

• The content is written with plain language (where relevant).
• If there are headers, they use the proper header tags (with only one level-one header: H1 or # in markdown).
• All links describe where they link to (for example, check the Nebari website).
• This content adheres to the Nebari style guides.

Non-text content

• All content is represented as text (for example, images need alt text, and videos need captions or descriptive transcripts).
• If there are emojis, there are not more than three in a row.
• Don't use flashing GIFs or videos.
• If the content were to be read as plain text, it still makes sense, and no information is missing.

Any other comments?

[smeragoel]

Thanks for the changes @mikemazara, looking good! I am previewing both this PR and PR #27 together. I will try to separate the feedback, but there might be some overlaps!

Guides:

1. The All, Getting Started, etc. pills are supposed to be quick filters for all the guides on the page. Currently, they link to a specific page within that category.
2. We can add hover interaction to the guide cards as well, added here.

404 page:

1. The page opens on vertical scroll by default. We can resize the 404 gradient box itself so that the page doesn't need to scroll.
2. Not sure if the content is final, but the home and guide text is repeating what the buttons are doing.
3. There's a leftover section at the bottom that shouldn't be there.

[mikemazara]

@smeragoel updated, let me know if i missed anything

[smeragoel]

1. Guides
   1. Focus should be on the entire clickable area.
   2. Not sure if this is in scope, but the read time on the guide cards (5 mins) doesn't match the read time on the article (1 min).
   3. The process / step component shouldn't have the vertical line on the last bullet (3)

[mikemazara]

@smeragoel updated from the previous pr and this ones lates comments here!