[WIP] refactor: switch to fresh

[crowlKats]

Left to do:

• [ ] module file search & manual searchbars
• [ ] fix code blocks
• [x] registry "add module"
• [x] benchmarks page
• [x] _app (waiting on fresh)
• [ ] various minor css things

[vercel[bot]]

@crowlKats is attempting to deploy a commit to the Deno Land Inc Team on Vercel.

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[crowlKats]

Closing in favour of #2016