style: tup-700 peerDependencies

"So the consuming application is aware that it must have React installed to use this package."
— https://dev.to/receter/how-to-create-a-react-component-library-using-vites-library-mode-4lma#dependencies

package.json

@@ -85,5 +85,9 @@
     "vite-plugin-eslint": "^1.8.1",
     "vite-tsconfig-paths": "4.2.0",
     "vitest": "0.34.6"
+  },
+  "peerDependencies": {
+    "react": "18.2.0",
+    "react-dom": "18.2.0"
   }
 }