Add emulators config

firebase.json

@@ -22,5 +22,26 @@
   },
   "storage": {
     "rules": "firebase/storage.rules"
+  },
+  "emulators": {
+    "functions": {
+      "port": 5001
+    },
+    "firestore": {
+      "port": 8080
+    },
+    "database": {
+      "port": 9000
+    },
+    "hosting": {
+      "port": 5000
+    },
+    "storage": {
+      "port": 9199
+    },
+    "ui": {
+      "enabled": true
+    },
+    "singleProjectMode": true
   }
 }