feat: display markdown to html

app/package.json

@@ -20,7 +20,9 @@
     "@linux-odyssey/file-graph": "*",
     "@linux-odyssey/utils": "*",
     "axios": "^1.6.0",
+    "dompurify": "^3.0.6",
     "echarts": "^5.4.3",
+    "marked": "^10.0.0",
     "socket.io-client": "^4.7.1",
     "validator": "^13.11.0",
     "vue": "^3.3.4",