fix: register service worker in dev

[userquin]

This PR also includes:

• fix linting, excluded a few folders for dev and build
• included prev/next links ready for next VitePress alpha release: https://vitepress.vuejs.org/guide/theme-prev-next-link.html
• update deps with taze -r -w: beware, taze is resolving VitePress versions wrong, resolving to draft instead to alpha
• split plugins

EDIT: there is no race condition, useImportRegister never updated on dev with dev options enabled:
https://github.com/antfu/vite-plugin-pwa/blob/main/src/index.ts#L133

supersedes #319 (sw in dev part)

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[antfu]

@userquin I have pushed a commit to refactor the context handling. Ideally, it should not affect the logic, but in case I made any mistake, please have a look and test a bit. If that looks good to you, we could then merge this.

[userquin]

@antfu I'll merge into main, you can release it or wait until I finish the new PR about adding support also for unregister the sw/pwa via selfDestroying option