💬 Chat App Backend

This is the backend of a simple real-time chat application built using:

• ⚙️ Node.js + Express for server-side logic
• 🔌 Socket.IO for real-time WebSocket communication
• 🗃️ SQLite (via better-sqlite3) for storing messages locally using SQL

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🚀 Features

• ✅ Send messages in real time
• ✏️ Edit and delete messages
• 🗂️ All messages stored in chat.db using real SQL
• 🔁 New users automatically receive existing messages on join

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📁 Project Structure