docs(cloud):update nodejs import outdated rest pkg for 3.0

docs/examples/node/insert.js

-const { options, connect } = require("@tdengine/client");
+const { options, connect } = require("@tdengine/rest");
 
 function checkError(result) {
   if (result.getErrCode() !== undefined) {

docs/examples/node/package.json

@@ -5,6 +5,6 @@
   "license": "MIT",
   "dependencies": {
     "@tdengine/client": "^3.0.1",
-    "@tdengine/rest": "^3.0.0"
+    "@tdengine/rest": "^3.0.1"
   }
 }

docs/examples/node/query.js

-const { options, connect } = require("@tdengine/client");
+const { options, connect } = require("@tdengine/rest");
 
 function checkError(result) {
   if (result.getErrCode() !== undefined) {

docs/examples/node/reference_example.js

-const { options, connect } = require("td2.0-rest-connector");
+const { options, connect } = require("@tdengine/rest");
 options.url = process.env.TDENGINE_CLOUD_URL;
 options.query = { token: process.env.TDENGINE_CLOUD_TOKEN };