fix video url

Author: dimaMachina

website/src/pages/docs/index.mdx

@@ -9,7 +9,7 @@ This project integrates GraphQL and ESLint, for a better developer experience.
 
 <video autoPlay loop muted playsInline>
   <source
-    src={(process.env.NODE_ENV === 'production' ? 'eslint' : '') + '/demo.mp4'}
+    src={(process.env.NODE_ENV === 'production' ? '/graphql/eslint' : '') + '/demo.mp4'}
     type="video/mp4"
   />
 </video>