feat: add LaTeX/TeX math equation rendering support (cgoinglove#318)

Author: jezweb

package.json

@@ -101,6 +101,7 @@
     "hast-util-to-jsx-runtime": "^2.3.6",
     "ioredis": "^5.8.2",
     "json-schema": "^0.4.0",
+    "katex": "^0.16.25",
     "lucide-react": "^0.486.0",
     "mermaid": "^11.12.1",
     "nanoid": "^5.1.6",
@@ -115,7 +116,9 @@
     "react-markdown": "^10.1.0",
     "react-resizable-panels": "^2.1.9",
     "recharts": "^2.15.4",
+    "rehype-katex": "^7.0.1",
     "remark-gfm": "^4.0.1",
+    "remark-math": "^6.0.0",
     "server-only": "^0.0.1",
     "shiki": "^3.14.0",
     "sonner": "^2.0.7",