내가 짠 코드 분석// Firebase 초기화 및 FIrestore 설정import { initializeApp } from "https://www.gstatic.com/firebasejs/10.4.0/firebase-app.js";import { getFirestore, doc, updateDoc, increment, getDoc } from "https://www.gstatic.com/firebasejs/10.4.0/firebase-firestore.js";const firebaseConfig = {apiKey: "...",authDomain: "...",projectId: "...",storageBucket: "...",messagingSenderId: "...",appId: "...",measu..