Add helper svg processing script

- Removes colons from inkcape svg export property names

dev

@@ -133,6 +133,10 @@ cmd_renew_certifcate() {
     cmd_start_production
 }
 
+cmd_process_svg_files() {
+    docker run -v $PWD/frontend/src/assets/:/app/assets -v $PWD/process_svg.py:/app/process_svg.py -w /app python:3.8-slim-bullseye python process_svg.py
+}
+
 # Run the command
 cmd="$1"
 "cmd_$cmd" "$@"