fix: process markdown for hint (#957)

packages/core/package.json

@@ -142,6 +142,7 @@
     "react-dom": "18.2.0",
     "react-frame-component": "5.2.6",
     "react-is": "18.2.0",
+    "react-markdown": "8.0.7",
     "react-polyglot": "0.7.2",
     "react-redux": "8.0.5",
     "react-router-dom": "6.10.0",
@@ -151,6 +152,7 @@
     "react-virtualized-auto-sizer": "1.0.15",
     "react-waypoint": "10.3.0",
     "react-window": "1.8.9",
+    "remark-gfm": "4.0.0",
     "remark-html": "15.0.2",
     "remark-mdx": "2.3.0",
     "remark-parse": "10.0.1",