I was looking to investigate using the project and wanted to see an example, but the documentation is missing the link to the project. I've highlighted the area where it seems to be broken.

Reference URL: https://docs.spring.io/spring-session-data-mongodb/docs/2.2.3.RELEASE/reference/htmlsingle/boot-mongo.html#mongo-sample

![mongo-sample-app-download-missing](https://user-images.githubuserco

1. how the url maps to the spring controller methods
2. how controller methods load the freemarker views
3. how freemarker templates work with layout
4. how to add dynamic css/js into freemarker templates