feat: PostgreSQL driver support

.env.example

@@ -19,11 +19,12 @@ RENEWCMS_CONTAINER=false
 DB_DRIVER=sqlite
 DATA_DIR=
 DB_HOST=
-DB_PORT=3306
+DB_PORT=
 DB_USER=
 DB_PASSWORD=
 DB_NAME=
 DB_TLS=false
+DB_SSLMODE=disable
 DB_MAX_OPEN_CONNS=10
 DB_MAX_IDLE_CONNS=5
 DB_CONN_MAX_LIFETIME_SECONDS=300