Firefox & Thunderbird for Unity with global menu

Do you want Firefox & Thunderbird to use the global menu?

Adding this Repository to your system

This Repository can be added to your system manually by copying the lines below and adding them to your system's software sources.

	sudo wget https://archive.darkgrave.de/dgrepo-archive-keyring.asc
	sudo apt-key add dgrepo-archive-keyring.asc
	sudo add-apt-repository "deb https://archive.darkgrave.de/unity/ YOUR_UBUNTU_VERSION_HERE main"
	sudo apt update
        
Display sources.list entries for:
deb http://archive.darkgrave.de/unity YOUR_UBUNTU_VERSION_HERE main 
deb-src http://archive.darkgrave.de/unity YOUR_UBUNTU_VERSION_HERE main 
Fingerprint:
CB3BC8557133F100E89427A7ABB8937AE0A33F6F