Material Icons for GitHub is a browser Extension that enhances repositories file browsers when navigating github.com. Replace default file/folder icons with material design icons tailored to each file ...

3] From the top-right corner, click the main menu button i.e. three-dotted icon and select the ‘Settings’ option. 4] Now, under the ‘Sources’ section, click the ‘Add a folder’ button.

Right-click on it, and go to Properties. Next, choose the Customize option. Under the folder icons option, click on Change icon. Select an icon that closely resembles the folder purpose.