added basic firestore nodes for get,set,add and query

firestore-set.js

@@ -0,0 +1,30 @@
+
+
+module.exports = function(RED) {
+  function FirebaseAdmin(config) {
+    RED.nodes.createNode(this, config);
+    var node = this;
+
+    if(config.cred){
+      let c = RED.nodes.getNode(config.cred)
+      this.admin = c.admin
+    }
+
+    node.on('input', function(msg) {
+      if(msg && msg.payload){
+        console.log('firestore-set got input')
+        console.dir(msg)
+        const path = msg.payload.path
+        const obj = msg.payload.obj
+        console.log('storing '+obj+' at firestore path '+path)
+        this.admin.firestore().doc(path).set(obj).then((res)=>{
+          console.log('firestore set result '+res)
+          console.dir(res)
+        })
+      }
+    }.bind(this));
+
+
+  }
+  RED.nodes.registerType("firestore-set", FirebaseAdmin);
+}