feat(web): render markdown tables as real HTML tables

Add remark-gfm plugin so react-markdown renders GFM table syntax as
proper <table> elements. Wrap tables in a scrollable container for
mobile-friendly horizontal scrolling on wide tables like ship stats
and weapon lists.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/package.json

@@ -11,16 +11,17 @@
   "dependencies": {
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "react-markdown": "^9.0.3",
     "react-router-dom": "^7.2.0",
-    "zustand": "^5.0.3",
+    "remark-gfm": "^4.0.1",
     "socket.io-client": "^4.8.1",
-    "react-markdown": "^9.0.3"
+    "zustand": "^5.0.3"
   },
   "devDependencies": {
-    "typescript": "^5.7.3",
-    "vite": "^6.1.0",
-    "@vitejs/plugin-react": "^4.3.4",
     "@types/react": "^19.0.0",
-    "@types/react-dom": "^19.0.0"
+    "@types/react-dom": "^19.0.0",
+    "@vitejs/plugin-react": "^4.3.4",
+    "typescript": "^5.7.3",
+    "vite": "^6.1.0"
   }
 }