Add firebase cli

Author: ProLoser

functions/package.json

@@ -12,7 +12,8 @@
   "main": "index.js",
   "dependencies": {
     "firebase-admin": "^12.6.0",
-    "firebase-functions": "^6.0.1"
+    "firebase-functions": "^6.0.1",
+    "firebase-tools": "^14.8.0"
   },
   "devDependencies": {
     "firebase-functions-test": "^3.1.0"