add sentence quiz

package.json

@@ -3,7 +3,9 @@
   "version": "1.0.0",
   "description": "My journey through Chinese language",
   "main": "server.js",
-  "dependencies": {},
+  "dependencies": {
+    "@types/jquery": "^3.3.31"
+  },
   "devDependencies": {
     "gh-pages": "^2.1.1",
     "husky": "^3.0.3",