Convert compose files to yaml

toml conversion stopped working, don't want to fix it

docker/mumble/docker-compose.yaml

@@ -0,0 +1,13 @@
+volumes:
+  config: {}
+services:
+  mumble:
+    container_name: mumble
+    image: phlak/mumble
+    environment:
+      - TZ=Europe/Helsinki
+    network_mode: host
+    volumes:
+      - config:/etc/mumble
+      - /etc/localtime:/etc/localtime:ro
+    restart: unless-stopped