fix(output): allow pdf builds as non-root

output/Docker/entrypoint.sh

@@ -14,5 +14,9 @@ if [ -d /data ]; then
 fi
 
 export HOME=${HOME:-/tmp}
+export XDG_CACHE_HOME=${XDG_CACHE_HOME:-/tmp/.cache}
+
+mkdir -p "${HOME}/.cache/fontconfig"
+mkdir -p "${XDG_CACHE_HOME}/fontconfig"
 
 exec gosu "${PUID}:${PGID}" python3 /app/watch_and_convert.py