- Replace Caddy with Nginx (matches upstream Dockerfile)
- Add crypto.randomUUID polyfill in index.html for non-HTTPS access
(browsers only expose crypto.randomUUID in secure contexts)
- Apply polyfill also in update script
Raise default resources for DrawDB container: update ct/drawdb.sh to set var_ram from 2048 to 6144 and var_disk from 4 to 5 to allocate more memory and disk. Also adjust json/homelable.json formatting by expanding the categories array to multiple lines for readability; no functional metadata changes.