As a Project creator you will work in the develop branch of the project. Here is the Project develop admin page (where you also can preview the project):
https://www.datacamp.com/teach/repositories/1843/branches/master
The live project the students will see live in the master branch. Here is the Project master admin page:
https://www.datacamp.com/teach/repositories/1843/branches/master
Documentation for how to develop a DataCamp project: https://authoring.datacamp.com/projects/
There are some packages you need to be able to create DataCamp Projects locally. Run the following commands in R to install them.
install.packages("devtools")
install.packages("testthat")
devtools::install_github('datacamp/IRkernel.testthat')