README更新；删除frontend项目

frontend/package.json

@@ -1,38 +0,0 @@
-{
-  "name": "frontend",
-  "version": "0.1.0",
-  "private": true,
-  "scripts": {
-    "serve": "vue-cli-service serve",
-    "build": "vue-cli-service build",
-    "lint": "vue-cli-service lint"
-  },
-  "dependencies": {
-    "axios": "^1.1.3",
-    "core-js": "^3.8.3",
-    "css-loader": "^6.7.1",
-    "element-plus": "^2.2.18",
-    "normalize.css": "^8.0.1",
-    "style-loader": "^3.3.1",
-    "vue": "^3.2.13",
-    "vue-router": "^4.0.3"
-  },
-  "devDependencies": {
-    "@babel/core": "^7.12.16",
-    "@babel/eslint-parser": "^7.12.16",
-    "@vue/cli-plugin-babel": "~5.0.0",
-    "@vue/cli-plugin-eslint": "~5.0.0",
-    "@vue/cli-plugin-router": "~5.0.0",
-    "@vue/cli-service": "~5.0.0",
-    "@vue/eslint-config-standard": "^6.1.0",
-    "babel-plugin-component": "^1.1.1",
-    "eslint": "^7.32.0",
-    "eslint-plugin-import": "^2.25.3",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-promise": "^5.1.0",
-    "eslint-plugin-vue": "^8.0.3",
-    "unplugin-auto-import": "^0.11.2",
-    "unplugin-vue-components": "^0.22.8",
-    "vue-cli-plugin-element-plus": "^0.0.13"
-  }
-}