Webscrapbook

* Added hotkeys for batch capture page.
* Fixed an issue that clicked links with specified target or base URL not working in the archive page viewer.

* Fixed an issue that modified options not taken when invoking a capture in some ways.
* Imported options without saving are no more applied.
* Support auto-updating options for sidebar and more scrapbook-related pages.

* Bumped version of the `index.json` file generated by in-depth capture to 2.
* Added support of depth > 0 for merge capture.
* Added `View source page` editor tool.
* Fixed an issue that the URL of a redirected or meta refreshed page is not correctly rewritten for in-depth capture.
* Fixed an issue that resources under file: protocol cannot be captured.
* Fixed an issue that some context menu commands don't work.

* Added `Find previous/next annotation` editor tool.

* Optimized code for internal cache for better performance.
* Adjusted schema for IndexedDB-related internal cache for better performance.

* Added and adjusted several default highlighter style options.
* Adjusted default highlighter styles.
* Added support of `imagesrcset` attribute for `<link>`s.
* Added support of `rel` value `modulepreload`, `prerender`, `dns-prefetch`, or `preconnect` for `<link>` tags.
* Added a new `capture.prefetch` option to tweak handling of prefetch-like `<link>` tags.
* Added `capture.contentSecurityPolicy` option to tweak handling of `content-security-policy` meta tag and `nonce` attribute.
* Removed `capture.removeIntegrity` option.
* `crossorigin` attribute is now removed only when a resource is saved.
* `integrity` attribute is now removed only for related tags.