Add different font style for docs sidebar headers

[marcelscruz]

What kind of change does this PR introduce?

A style change on the headers of the docs sidebar, to improve the distinction from the link items.

What is the current behavior?

The current sidebar headers on the docs are similar to link items, only differentiated by a lower-opacity colour and more spacing, possibly making someone think of it as a disabled link.

What is the new behavior?

Proposed headers are more distinct from the links, with bolder and uppercase letters, for easier scannability and better hierarchy cue.

Additional context

This is a totally unrequested change to the style, which also might diverge from the brand styling, so I understand if this is not accepted.

And here's a quick overview of the new look.

[vercel]

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nextjs-todo-list – ./examples/nextjs-todo-list

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main – ./

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docs – ./web

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✅ Preview: https://docs-git-fork-marcelscruz-style-general-supabase.vercel.app

www – ./www

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[kiwicopple]

This is a totally unrequested change to the style, which also might diverge from the brand styling, so I understand if this is not accepted.

Really appreciate the PR @marcelscruz - helps for us to see it in a branch and make a judgement. I'll review a bit later tonight!

[kiwicopple]

@marcelscruz - this is awesome, thanks for the improvement. If you want you can send a link to this PR to [email protected] with you tshirt size and postal address for some free swag :)

@MildTomato - FYI in case you want to improve after I have merged

[marcelscruz]

@kiwicopple That's awesome, I'm already happy by seeing my contribution live in the docs, and having some swag makes it even better. Thank you!

BTW, UI-related tasks are my favourite, so if you have some open, I'd love to give them a go.

Also, I want to take the opportunity to say that this project is amazing!
I'm about to start migrating devresourc.es to Supabase, just need to find out how to migrate the auth users. I'll let the community know once it's ready.

Have a nice day!