pagefind 1.0.4

Added highlighting support to Pagefind. Massive thanks to @Jothsa for pushing this across the line in #425! 🎉
- See 📘 Highlighting search terms for documentation on how to enable this new feature.
Added a page size option to the Default UI. See 📘 UI Configuration > Page size.
Added a destroy() function to the Pagefind JS API, allowing for a total re-initialization. See 📘 Re-initializing the search API.
Added a destroy() function to the Pagefind Default UI, allowing for a total re-initialization. See 📘 Re-initializing the Pagefind UI.

Fixed a bug, resulting in a (very) large improvement to the NodeJS Indexing API performance (~100x).
Fixed HTML entities being rendered escaped in metadata, filters, and custom page titles.
Fixed a bug where debouncedSearch returns null if any options object is passed to it.
Fixed a bug where a fully-qualified URL set via the NodeJS indexing API would be broken when returned as a search result.
Fixed Pagefind's reporting of really fast indexing times (previously logged as slower than reality) — thanks to @danpls in #448.
Fixed extracting sub-results when headings contain non-ascii text (especially RTL languages).