feat: implement breadcrumbs according to design

[kantord]

fixes #122

What's included:

• Implement breadcrumbs on all pages, according to the design
• Remove the need to leverage global state for breadcrumbs
• use ui-kit breadcrumbs

Record_select-area_20250120154700.mp4

[coveralls]

Pull Request Test Coverage Report for Build 12870483113

Details

• 4 of 6 (66.67%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.4%) to 67.118%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/routes/route-certificates.tsx	3	5	60.0%

Totals
Change from base Build 12869295651:	0.4%
Covered Lines:	495
Relevant Lines:	656

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💛 - Coveralls

[kantord]

imo this should extract the title from the document somehow, maybe using front matter yaml. but that's a bit too complex to include in this PR

[kantord]

or else we can switch to mdx, which would allow us to put the breadcrumbs react component into the markdown file itself, avoiding the need for any custom logic. That would work well unless we want to build a full fledged documentation feature with dozens of files