Handle all typst symbols

There are some resources:

- https://typst.app/docs/reference/symbols/sym
- https://github.com/jgm/typst-symbols/blob/main/src/Typst/Symbols.hs (scrapes the webpage to generate the symbols)
- https://github.com/svenkreiss/unicodeit/blob/main/ts_src/data.ts (unicode data)
- https://github.com/jgm/texmath/blob/060691b8a8beaa1dbf677e7646185c8a1a2f3789/lib/totexmath/unimathsymbols.txt
