Update README.md

Author: Code-Hex

README.md

@@ -29,6 +29,8 @@ generates:
       schema: yup
 ```
 
+You can check [example directory](https://github.com/Code-Hex/graphql-codegen-typescript-validation-schema/tree/main/example) if you want to check more complex config example or how is generated some files.
+
 ## Config API Reference
 
 ### `schema`
@@ -120,4 +122,4 @@ export function ExampleInputSchema(): yup.SchemaOf<ExampleInput> {
     message: yup.string().defined().matches(/^Hello/)
   })
 }
-```
+```