Create an Extension
extension.js
Extra In-House Extensions
Get a list of installed GNOME Shell Extensions
Get notified of GNOME Shell Extensions updates
Install GNOME Shell extensions manually
Install GNOME Shell extensions from a web browser
metadata.json
prefs.js
Remove GNOME Shell Extensions
Gnome-Tweaks
VPN Indicator
VPN Status
https://itsfoss.com/gnome-shell-extensions/
https://extensions.gnome.org/extension/104/netspeed/
https://itsfoss.com/best-gnome-extensions/