Migrate to Vite

See merge request !407

(cherry picked from commit 5b794686)

a409b97b Update README (c-r-a to Vite)
ee622db3 Add Vite to package.json, remove c-r-a, split into devDeps
4e345107 Remove c-r-a specific files and env variable
40ef5095 Add vite config and type file
67f2e5bd Move index.html for Vite, update env variable names
1b941981 Reorganize tsconfig, add handling for SVG import as React component
b17e8ab0 Fix pdfjs exports to comply with Vite / esbuild export rules
cc584be3 Adjust Dockerfile for Vite
d47d010f Vite Migration: Also copy assets folder
a00aa312 Vite Migration: Use static as assets folder
0df3faa0 Vite Migration: Allow data: as font-src