docs: add basic example link

Author: pyjun01

docs/src/content/docs/docs/installation.mdx

@@ -25,7 +25,7 @@ pnpm install react-google-map-wrapper
   </TabItem>
 </Tabs>
 
-> If you want to see a example before download? Try out the basic example.
+> If you want to see a example before download? Try out the [basic example](/react-google-map-wrapper/docs/examples/basic).
 
 ### TypeScript