refactor: add `@napi-rs/canvas` support, remove base

[kyranet]

Pending to add the @napi-rs/canvas extensions

Changelog

• feat: added /napi-rs engine
• feat: added createImageData()
• feat: added createConicGradient()
• feat: added printConicColorGradient()
• feat: added printConicStrokeGradient()
• feat(cairo): added jpeg()
• feat(cairo): added jpegAsync()
• feat(cairo): added pdf()
• feat(cairo): added pdfAsync()
• feat(cairo): added png()
• feat(cairo): added pngAsync()
• feat(skia): added jpegAsync()
• feat(skia): added pdfAsync()
• feat(skia): added pngAsync()
• feat(skia): added svgAsync()
• refactor: renamed resolveImage to loadImage
• refactor: renamed registerFont to loadFont
• docs: add @notes defining which methods are engine-specific

Breaking changes

• refactor: removed cb parameter in getImageData()
• refactor: removed cb parameter in measureText()
• refactor: removed cb parameter in createPattern()
• refactor: removed cb parameter in wrapText()
• refactor(cairo): renamed createJPEGStream() to jpegStream()
• refactor(cairo): renamed createPDFStream() to pdfStream()
• refactor(cairo): renamed createPNGStream() to pngStream()
• refactor(cairo): renamed setAntiAliasing() to setAntialiasMode()
• refactor(skia): jpg() now returns a synchronous response
• refactor(skia): pdf() now returns a synchronous response
• refactor(skia): png() now returns a synchronous response
• refactor(skia): svg() now returns a synchronous response
• refactor(skia): removed cb parameter in getFontVariant()
• refactor(skia): removed cb parameter in getTextTracking()
• refactor(skia): removed cb parameter in getTextWrap()
• refactor(skia): renamed getPages() to get pages
• refactor(skia): renamed jpg() to jpeg()
• refactor(skia): renamed newPages() to addPage()

Commit body

``` feat: added `/napi-rs` engine feat: added `createImageData()` feat: added `createConicGradient()` feat: added `printConicColorGradient()` feat: added `printConicStrokeGradient()` refactor: renamed `resolveImage` to `loadImage` refactor: renamed `registerFont` to `loadFont` feat(cairo): added `jpeg()` feat(cairo): added `jpegAsync()` feat(cairo): added `pdf()` feat(cairo): added `pdfAsync()` feat(cairo): added `png()` feat(cairo): added `pngAsync()` feat(skia): added `jpegAsync()` feat(skia): added `pdfAsync()` feat(skia): added `pngAsync()` feat(skia): added `svgAsync()` docs: add `@note`s defining which methods are engine-specific BREAKING CHANGE: refactor: removed `cb` parameter in `getImageData()` BREAKING CHANGE: refactor: removed `cb` parameter in `measureText()` BREAKING CHANGE: refactor: removed `cb` parameter in `createPattern()` BREAKING CHANGE: refactor: removed `cb` parameter in `wrapText()` BREAKING CHANGE: refactor(cairo): renamed `createJPEGStream()` to `jpegStream()` BREAKING CHANGE: refactor(cairo): renamed `createPDFStream()` to `pdfStream()` BREAKING CHANGE: refactor(cairo): renamed `createPNGStream()` to `pngStream()` BREAKING CHANGE: refactor(cairo): renamed `setAntiAliasing()` to `setAntialiasMode()` BREAKING CHANGE: refactor(skia): `jpg()` now returns a synchronous response BREAKING CHANGE: refactor(skia): `pdf()` now returns a synchronous response BREAKING CHANGE: refactor(skia): `png()` now returns a synchronous response BREAKING CHANGE: refactor(skia): `svg()` now returns a synchronous response BREAKING CHANGE: refactor(skia): removed `cb` parameter in `getFontVariant()` BREAKING CHANGE: refactor(skia): removed `cb` parameter in `getTextTracking()` BREAKING CHANGE: refactor(skia): removed `cb` parameter in `getTextWrap()` BREAKING CHANGE: refactor(skia): renamed `getPages()` to `get pages` BREAKING CHANGE: refactor(skia): renamed `jpg()` to `jpeg()` BREAKING CHANGE: refactor(skia): renamed `newPages()` to `addPage()` ```