Install issue in firefox

[namelessperson0]

In firefox, the extension needs to be signed. Otherwise it can only be added as an temporary add on.
Similar issue at https://stackoverflow.com/questions/62237202/firefox-add-ons-how-to-install-my-own-local-add-on-extension-permanently-in-f

[amark]

@namelessperson0 gaaaah! Thanks, decided to move to SecureRender instead as the next evolution of this poroject.