update environment configuration, enhance setup guide, and align documentation with new domain structure

docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3.9"
-
 services:
   playout:
     image: ${GITEA_REGISTRY_URL:-git.allucanget.biz}/${GITEA_REGISTRY_NAMESPACE:-zwitschi/linearvoid}/playout:latest
@@ -60,8 +58,8 @@ services:
     ports:
       - "${NGINX_PORT:-8080}:80"
     volumes:
-      - ./frontend/dist:/usr/share/nginx/html:ro
-      - ./data/hls:/usr/share/nginx/html/hls:ro
+      - ./frontend/dist:/srv/frontend:ro
+      - ./data/hls:/srv/hls:ro
     networks:
       - linearvoid-net
     depends_on: