feat!: add api support

[userquin]

This PR includes:

• expose presets (all) package exports
• update pnpm to 8.12.0
• new api subpackage:
  • ✔️ apple splash screen html generation ( ✔️ we need to expose the link as object)
  • ✔️ maskable icon generation ( ✔️ update build module to use the new function)
  • ✔️ transparent icon generation ( ✔️ update build module to use the new function)
  • ✔️ favicon generation ( ✔️ update build module to use the new function)
  • ✔️ apple splash screen generation : there is no need, using maskable function ( ✔️ update build module to use the new function)
  • ✔️ include also html head generation ( ✔️ include generation in CLI)
• add dual ESM/CJS package exports (moved from ESM-only to ESM-first: this package does not use any export default)
• add vitest (v1.0.4) tests using In-Source Testing
• add new minimal-2023 preset: https://dev.to/masakudamatsu/favicon-nightmare-how-to-maintain-sanity-3al7
• deprecate minimal preset: still default preset
• update pwa docs, can be found in this PR docs: include assets generator v0.1.0 changes docs#112 :
  • ✔️ include new minimal-2023 preset
  • ✔️ deprecate minimal preset
  • ✔️ include initial api docs
  • ✔️ include migration from minimal to minimal-2023 preset
  • ✔️ include new section for favicons and apple touch icon link generation

We need to review updating to sharp v0.33.0, requires Node 18.17.0 and adding optional dependencies (will go in another PR once released a new minor with this PR): https://sharp.pixelplumbing.com/install (I need to review it, it seems the dependency is required in the target project)

/cc @PurpleTape if you want to contribute

releated to #20 (list entry 5)

closes #22