docs: point URLs to upstream deployments

README.md

@@ -42,11 +42,11 @@ distinction between color and size, it is simply that they are not independently
 
 ## How to use
 
-Shu is distributed both through a web app (preview build at https://carrascomj.github.io/shu) and as standalone
+Shu is distributed both through a web app (preview build at https://biosustain.github.io/shu) and as standalone
 native application. To use the latter, download the [latest release for your operating system](https://github.com/biosustain/shu/releases/latest), unpack if necessary and run it as executable.
 
 Documentation for the rust crate and the python API will be made available once they are published. In the meantime, a preview
-of the python documentation can be found at https://carrascomj.github.io/shu/docs.
+of the python documentation can be found at https://biosustain.github.io/shu/docs.
 
 ### Building from source (latest master commit)