feat: 渲染的链接新窗口打开

package.json

@@ -43,6 +43,7 @@
     "@types/crypto-js": "^4.1.1",
     "@types/katex": "^0.16.0",
     "@types/markdown-it": "^12.2.3",
+    "@types/markdown-it-link-attributes": "^3.0.1",
     "@types/node": "^18.14.6",
     "@vitejs/plugin-vue": "^4.0.0",
     "autoprefixer": "^10.4.13",
@@ -52,6 +53,7 @@
     "husky": "^8.0.3",
     "less": "^4.1.3",
     "lint-staged": "^13.1.2",
+    "markdown-it-link-attributes": "^4.0.1",
     "npm-run-all": "^4.1.5",
     "postcss": "^8.4.21",
     "rimraf": "^4.2.0",