Add package.json file

+{
+  "name": "time_table",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://khuhub.khu.ac.kr/2019102206/time_table.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.18.1",
+    "fs": "^0.0.1-security",
+    "https": "^1.0.0",
+    "mongodb": "^4.6.0",
+    "mongoose": "^6.3.5",
+    "path": "^0.12.7",
+    "request": "^2.88.2"
+  }
+}