Add flyway initial schema and database setup

docker-compose.yml

@@ -0,0 +1,12 @@
+services:
+  postgres:
+    image: postgres:16
+    container_name: lr-openvpn-postgres
+    environment:
+      POSTGRES_DB: lr_openvpn
+      POSTGRES_USER: lr_openvpn
+      POSTGRES_PASSWORD: lr_openvpn_dev
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./postgres-data:/var/lib/postgresql/data