[nodejs] add npm clean task (#146)

node/gen_test_data.py

@@ -1,8 +0,0 @@
-import lancedb
-
-uri = "sample-lancedb"
-db = lancedb.connect(uri)
-table = db.create_table("my_table",
-                         data=[{"vector": [3.1, 4.1], "item": "foo", "price": 10.0},
-                               {"vector": [5.9, 26.5], "item": "bar", "price": 20.0}])
-

node/package.json

@@ -9,7 +9,8 @@
     "build": "cargo-cp-artifact --artifact cdylib vectordb-node index.node -- cargo build --message-format=json-render-diagnostics",
     "build-release": "npm run build -- --release",
     "test": "mocha -recursive dist/test",
-    "lint": "eslint src --ext .js,.ts"
+    "lint": "eslint src --ext .js,.ts",
+    "clean": "rm -rf node_modules *.node dist/"
   },
   "repository": {
     "type": "git",