build: add hono/jsx support to tsconfig

Add jsx and jsxImportSource compiler options to enable hono/jsx server-side
rendering in .tsx files without per-file JSX pragmas.

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

tsconfig.json

@@ -12,7 +12,9 @@
     "isolatedModules": true,
     "allowJs": true,
     "forceConsistentCasingInFileNames": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "jsx": "react-jsx",
+    "jsxImportSource": "hono/jsx"
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]