Convert compose files to yaml

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

docker/postgres/docker-compose.yaml

@@ -0,0 +1,19 @@
+volumes:
+  data: {}
+services:
+  postgres:
+    container_name: postgres
+    image: postgres:16
+    environment:
+      - TZ=Europe/Helsinki
+    ports:
+      - 127.0.0.1:5432:5432
+    networks:
+      - postgres
+    volumes:
+      - data:/var/lib/postgresql/data
+      - /etc/localtime:/etc/localtime:ro
+    restart: unless-stopped
+networks:
+  postgres:
+    external: true