Fuse has a fairly simple directory structure. All source code that you will need stays inside the /src folder.
Once you build your app, a /dist folder will appear at the root which will contain the built app. You can simply upload the contents of it to your server to start running your app.
The source folder has the general Angular CLI project structure along with an additional folder called /@fuse which contains the core elements of the Fuse.
This folder contains the AppComponent along with the following directories. Everything that being contained inside these folders are belong to your app and you can edit them however you like while building your app: