feat: 添加vue-flow流程图示例 (#1001)

* feat: 添加`vue-flow`流程图示例

package.json

@@ -55,6 +55,8 @@
     "@pureadmin/descriptions": "^1.2.1",
     "@pureadmin/table": "^3.1.2",
     "@pureadmin/utils": "^2.4.7",
+    "@vue-flow/background": "^1.3.0",
+    "@vue-flow/core": "^1.33.4",
     "@vueuse/core": "^10.9.0",
     "@vueuse/motion": "^2.1.0",
     "@wangeditor/editor": "^5.1.23",
@@ -114,6 +116,7 @@
     "@iconify/vue": "^4.1.1",
     "@intlify/unplugin-vue-i18n": "^2.0.0",
     "@pureadmin/theme": "^3.2.0",
+    "@types/dagre": "^0.7.52",
     "@types/gradient-string": "^1.1.5",
     "@types/intro.js": "^5.1.5",
     "@types/js-cookie": "^3.0.6",
@@ -130,6 +133,7 @@
     "boxen": "^7.1.1",
     "cloc": "^2.11.0",
     "cssnano": "^6.1.0",
+    "dagre": "^0.8.5",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-define-config": "^2.1.0",