If you clone this repository, your changes will be added to the shared template.
To use this repository for your writing, you can download it and create a private repository in your GitHub account where you can submit these files.
You can link your new repository to a new project in Overleaf:
Log in to your Overleaf account, start a new project, and you can choose to import from GitHub:
Then you just need to select your GitHub repository and ensure that overleaf finds the main file to compile:
And your document is ready to be used in Overleaf!
Remember to manually synchronise your project in overleaf with your GitHub repository from time to time: