prepare for merging https://github.com/AllanChain/PKUHoleCommunity/

package.json

@@ -1,9 +1,9 @@
 {
   "name": "webhole",
-  "version": "0.1.0",
+  "version": "0.3.1",
   "private": true,
   "dependencies": {
-    "copy-to-clipboard": "^3.0.8",
+    "copy-to-clipboard": "^3.3.1",
     "fix-orientation": "^1.1.0",
     "gh-pages": "^3.0.0",
     "highlight.js": "^10.1.1",
@@ -12,11 +12,11 @@
     "markdown-it": "^11.0.0",
     "markdown-it-katex": "^2.0.3",
     "pressure": "^2.1.2",
-    "react": "^16.9.0",
-    "react-dom": "^16.9.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.0",
     "react-google-recaptcha-v3": "^1.5.2",
-    "react-scripts": "^3.1.1",
-    "react-timeago": "^4.1.9"
+    "react-scripts": "^3.4.1",
+    "react-timeago": "^4.4.0"
   },
   "scripts": {
     "start": "react-scripts start",
@@ -24,9 +24,10 @@
     "test": "echo 'skipped react-scripts test --env=jsdom'",
     "predeploy": "",
     "deploy": "gh-pages -d build -m $(TZ=Asia/Shanghai date +\"%y%m%d%H%M%S\")",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "lint": "eslint --fix src/*.js"
   },
-  "homepage": "https://://cdn.jsdelivr.net/gh/thuhole/webhole@gh-pages",
+  "homepage": ".",
   "browserslist": {
     "production": [
       ">0.2%",
@@ -38,5 +39,16 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "devDependencies": {
+    "eslint": "^6.8.0",
+    "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-import": "^2.21.2",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-prettier": "^3.1.3",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-react": "^7.20.0",
+    "eslint-plugin-standard": "^4.0.1",
+    "prettier": "^2.0.5"
   }
 }