feat: render message reference and add avatar to MessageItem (#73)

* feat: add temporary conversation

* feat: add avatar to MessageItem

* feat: render message reference

web/package.json

@@ -25,8 +25,11 @@
     "react-chat-elements": "^12.0.13",
     "react-i18next": "^14.0.0",
     "react-infinite-scroll-component": "^6.1.0",
+    "react-markdown": "^9.0.1",
+    "react-string-replace": "^1.1.1",
     "umi": "^4.0.90",
     "umi-request": "^1.4.0",
+    "unist-util-visit-parents": "^6.0.1",
     "uuid": "^9.0.1"
   },
   "devDependencies": {