rename all yml files to yaml

docker-compose.pgadmin.yaml

@@ -0,0 +1,13 @@
+services:
+    pgadmin:
+        container_name: pgadmin
+        environment:
+        - PGADMIN_DEFAULT_EMAIL="${PGADMIN_EMAIL:?}"
+        - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_PASSWORD:?}"
+        image: dpage/pgadmin4:7.5
+        ports:
+        - 5050:80
+        restart: unless-stopped
+        volumes:
+        - /opt/pgadmin/var:/var/lib/pgadmin
+        - /opt/pgadmin/log:/var/log/pgadmin