Convert compose files to yaml

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

docker/headscale/docker-compose.yaml

@@ -0,0 +1,23 @@
+volumes:
+  config: {}
+  data: {}
+services:
+  headscale:
+    image: headscale/headscale:0
+    container_name: headscale
+    volumes:
+      - config:/etc/headscale
+      - data:/var/lib/headscale
+    ports:
+      - 3478:3478/udp
+    command: headscale serve
+    restart: unless-stopped
+    networks:
+      - postgres
+  headscale-ui:
+    image: ghcr.io/gurucomputing/headscale-ui
+    container_name: headscale-ui
+    restart: unless-stopped
+networks:
+  postgres:
+    external: true