chore: Remove `fs-extra` in favor of `node:fs`

[xeho91]

I couldn't resist, so I experimented a lot with this addon in order to support Svelte v5. I've refactored the parser locally, to fix the issues I've encountered.

In order to avoid the "big" PR... I'd like to split into smaller PR's, so there's no overhead in the future code review 😅

What else is done?

• Added @sveltejs/kit as dev dependency just for it's type Config used updated @sveltejs/vite-plugin-svelte which provides a type SvelteConfig - fits the project better
• Removed unused dependencies
• Updated dependencies:
  • @storybook/* got defaulted to ^8.0.0 version, instead of rc
  • @sveltejs/vite-plugin-svelte to ^3.0.0
  • vite to 5.0.0
• Added .svelte-kit/ to ignore list

[xeho91]

I'd update lockfile, but my current version of pnpm v9 keeps upgrading the lockfile to new version - from v6 to v9.

[shilman]

:rocket: PR was released in v4.1.3 :rocket: