Move SLM control center groundwork onto dev

docker-compose.yml

@@ -47,13 +47,13 @@ services:
   # --- SLMM (Sound Level Meter Manager) ---
   slmm:
     build:
-      context: ../../slmm
+      context: ../slmm
       dockerfile: Dockerfile
     container_name: slmm
     ports:
       - "8100:8100"
     volumes:
-      - ../../slmm/data:/app/data
+      - ../slmm/data:/app/data
     environment:
       - PYTHONUNBUFFERED=1
       - PORT=8100