docs: update memorious link (alephdata#3639)

update the link to memorious

docs/src/pages/developers/memorious.mdx

@@ -86,6 +86,6 @@ pipeline:
 
 To learn more about Memorious, you can:
 
-- Visit the documentation available at [https://memorious.readthedocs.io](https://memorious.readthedocs.io)
+- Visit the documentation available at [https://alephdata.github.io/memorious/](https://alephdata.github.io/memorious/)
 - Explore and contribute to [the source code](https://github.com/alephdata/visdesktop)
 - Adapt the [example project ](https://github.com/alephdata/memorious/tree/master/example)which includes some test crawlers and docker configuration.