Release v7 for gnome-shell from 45 to 49

Minimum update to work with Gnome Shell 49

v4 for gnome shells 45 to 48

Minimum update to work with Gnome Shell 48

v5 with touchscreen support

Thanks to Lasse Yledahl, now you can tap on the touchscreen if you have one to toggle the status.

See PR #3

v4 for gnome shells 45 to 47

Minimum update to enable the extension for Gnome Shell 47.

v3 for gnome-shell 45 & 46

Checked for 46 on Gnome OS nightly, seems to work ok.

Use better icons by default

Contributed by @corebots in issue #1.

First release

First release: it just toggles the touchpad on or off.