feat: add direct PostgreSQL and ACK deployment support

deploy/ack/configmap.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: zhinian-runtime
+  namespace: zhinian
+data:
+  NODE_ENV: production
+  PORT: "3000"
+  ZHINIAN_DATA_BACKEND: postgres
+  ZHINIAN_AUTH_REQUIRED: auto
+  ZHINIAN_WORKER_BASE_URL: http://zhinian-web:3000
+  DATABASE_SSL_MODE: verify-full
+  DATABASE_CA_CERT_PATH: /etc/zhinian/rds/ca.pem
+  DATABASE_POOL_MAX: "10"
+  DATABASE_CONNECTION_TIMEOUT_MS: "5000"
+  DATABASE_IDLE_TIMEOUT_MS: "30000"
+  DATABASE_STATEMENT_TIMEOUT_MS: "30000"
+  DATABASE_APPLICATION_NAME: zhinian-web