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": "1.1.2",
+  "version": "1.1.3",
   "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

@@ -10,9 +10,9 @@ module.exports = function(RED) {
 
     const cb = (res)=>{
       console.log('firebase get result '+res)
-      console.dir(res)
+      //console.dir(res)
       let val = res.val()
-      //console.log('val='+val)
+      console.dir(val)
       node.send({payload:val})
     }