- Added opacity;
- Toggleable task bar icon visibility.

Globally, for all apps:
{
"Opacity": 0-100,
"TaskBarIconVisibility": "AlwaysHidden | AlwaysVisible"
}
Or per app:
{
"Apps": [
{
"Name": "Terminal",
"Opacity": 0-100,
"TaskBarIconVisibility": "AlwaysHidden | AlwaysVisible"
},
...
]
}