fixed typo in rtdb get node and added auto setup for firestore and rtdb get

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-red-contrib-firebase-admin",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "A node-red module that wraps the server-side  admin SDK of firebase, firestore, et.c.",
   "main": "index.js",
   "scripts": {

rtdb/rtdb-get.js

@@ -9,15 +9,15 @@ module.exports = function(RED) {
     var node = this;
 
     const cb = (res)=>{
-      //console.log('firebase get result '+res)
-      //console.dir(res)
+      console.log('firebase get result '+res)
+      console.dir(res)
       let val = res.val()
       //console.log('val='+val)
       node.send({payload:val})
     }
 
     let setUpListener = (path)=>{
-      //console.log('rtdb-get setUpListener for path '+path)
+      console.log('rtdb-get setUpListener for path '+path)
       if(oldpath){
         this.admin.database().ref(oldpath).off('value', cb)
       }