Settings are stored in the settings.json file. They mostly comprise of SMTP settings to send emails from the website.
The username and password for the SMTP server is not stored in the settings.json file, as this would be a bad idea. Instead anyone running this code will have to place the credentials into a secrets.json file inside their user-profile directory.
Testimonials are shown on the home page, and are stored inside the Testimonials folder.
They are displayed in alphabetical order of the filenames inside the folder.
Each .md file uses Markdown notation. It is used as a way of writing plain-text that when displayed onto a webpage will be formatted.
Feel free to use this reference as a notation cheat-sheet.