fix: add proper prefix to ipfs links if `ipfsPrefix` option is provided

README.md

browser-test/browser-test.js

sample/demo-lib.js

sample/demo-local.js

sample/live-demo.html

src/renderers/default/DefaultRenderer.test.ts

src/renderers/default/DefaultRenderer.ts

src/renderers/default/embedder/AssetEmbedder.ts

src/renderers/default/embedder/HtmlDOMParser.ts

src/renderers/default/embedder/utils/Links.test.ts

src/renderers/default/embedder/utils/Links.ts