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

rtdb/rtdb-get.html

@@ -40,7 +40,7 @@
     </div>
 
     <div class="form-row">
-        <label for="node-input-path"><i class="icon-tag"></i> Name</label>
+        <label for="node-input-path"><i class="icon-tag"></i> Path</label>
         <input type="text" id="node-input-path" placeholder="Path">
     </div>
 

rtdb/rtdb-get.js

@@ -47,6 +47,7 @@ module.exports = function(RED) {
       }
     }.bind(this));
 
+    setUpListener(path)
 
   }
   RED.nodes.registerType("rtdb-get", FirebaseAdmin);