move stuff into components

modules/BarIcon.qml

@@ -1,12 +1,20 @@
 import QtQuick
+import QtQuick.Controls
 import "." as M
 
 Text {
     property string icon: ""
+    property string tooltip: ""
 
     text: icon
     color: M.Theme.base05
     font.pixelSize: M.Theme.fontSize + 1
     font.family: M.Theme.iconFontFamily
     verticalAlignment: Text.AlignVCenter
+
+    HoverHandler { id: _hover }
+    ToolTip {
+        visible: _hover.hovered && parent.tooltip !== ""
+        text: parent.tooltip
+    }
 }