upgrade node

Author: robot

.github/workflows/deploy.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '14.4.0'
+          node-version: '14.15.0'
 
       # Runs a single command using the runners shell
       - name: Install and Build

package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "engines": {
-    "node": "14.4.0"
+    "node": "14.x"
   },
   "dependencies": {
     "@ant-design/icons": "^4.2.2",
@@ -13,6 +13,7 @@
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
     "antd": "^4.9.3",
+    "katex": "^0.16.9",
     "react": "^17.0.1",
     "react-debounce-render": "^7.0.0",
     "react-dom": "^17.0.1",