actually commit mistakenly uncommitted docker-compose files

examples/class-registry/pgsql.docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3'
+
+services:
+
+  postgres:
+    image: postgres:14
+    restart: always
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_PASSWORD: f00b@r!
+    volumes:
+      - ./create_db.sql:/docker-entrypoint-initdb.d/init_class_registry.sql

examples/todomvc/pgsql.docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3'
+
+services:
+
+  postgres:
+    image: postgres:14
+    restart: always
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_PASSWORD: f00b@r!
+    volumes:
+      - ./create_db.sql:/docker-entrypoint-initdb.d/init_todomvc.sql