Build 53

Linux x86_64 release of Marker (egui + MuPDF).

Commit: 9442b133410691630c1695b99a824b6acd64468f

Runtime shared libraries typically needed on the host:
fontconfig, freetype, brotli, jbig2dec, lcms2, libjpeg, openjpeg2, zlib.

License: MIT.

What's Changed

• LT6: Sharp math at high zoom, LaTeX error text by @danielschafi in #76
• Annotation sidebar: list, filter, jump, search notes (FT8) by @danielschafi in #77
• Math command completion inside text boxes (LT5) by @danielschafi in #78

Full Changelog: build-50...build-53