Add db-manager to package.json (#1649)

Author: humanagent

cli/db-manager

@@ -14,6 +14,7 @@
     "build": "tsc",
     "c": "yarn format && yarn build && yarn lint ",
     "clean": "rimraf .data/ ||: && rimraf logs/ ||  :",
+    "db-manager": "./cli/db-manager --help",
     "debug": "tsx cli/debug.ts",
     "debug-dm": "tsx agents/debug-dm.ts",
     "download-server": "tsx db-backups/download-server.ts",