All source files are included. There is no manual how to create new features, but since Laravel is used for the back-end and Vuetify for the front-end, you can study these frameworks to get a good understanding. Technical help with features or server related configurations is beyond the scope of this script. There is a lot of information available on the internet on how work with these frameworks.
Libraries and frameworks
A big thank you goes out to these great open source projects, in no particular order:
package.json files in the root of the project.