add modules and env setting

+node_modules
+.env

+const path = require('path')
+require('dotenv').config({path: path.join(__dirname, "../.env")})
+
+const ip = process.env.IP || null
+const token = process.env.TOKEN || null
+
+module.exports = {
+    'ip' : ip,
+    'token' : token
+}

+{
+  "name": "khuwitch-server",
+  "version": "1.0.0",
+  "description": "twitch translator chatbot & tts server dev",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Daeyeonkim97",
+  "license": "ISC",
+  "dependencies": {
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "socket.io": "^3.0.3"
+  }
+}