feat: custom implementation of Focus on Hover
#429
+266
−119
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This could have been simply done using gnome-tweaks, but it can be buggy at times (see #258). This custom implementation doesn't run into the issues gnome-tweaks does, but this comes at the cost of efficiency: it gets the position of the pointer every 16 milliseconds and updates the focus. I couldn't find a better way of implementing this.