feat(Components): introduce `StatusDescriptionListItem`

Usage:

```
import StatusQ.Components 0.1

StatusDescriptionListItem {
    title: "Title"
    subTitle: "Subtitle"
}

StatusDescriptionListItem {
    title: "Title"
    subTitle: "Subtitle"
    tooltip.text: "Tooltip"
    icon.name: "info"
    iconButton.onClicked: tooltip.visible = !tooltip.visible
}
```

Closes: #73

sandbox/ListItems.qml

@@ -206,4 +206,18 @@ GridLayout {
             }
         ]
     }
+
+    StatusDescriptionListItem {
+        title: "Title"
+        subTitle: "Subtitle"
+    }
+
+    StatusDescriptionListItem {
+        title: "Title"
+        subTitle: "Subtitle"
+        tooltip.text: "Tooltip"
+        icon.name: "info"
+        iconButton.onClicked: tooltip.visible = !tooltip.visible
+    }
+
 }

src/StatusQ/Components/StatusDescriptionListItem.qml

@@ -0,0 +1,68 @@
+import QtQuick 2.13
+import StatusQ.Core 0.1
+import StatusQ.Core.Theme 0.1
+import StatusQ.Controls 0.1
+
+Rectangle {
+    id: statusDescriptionListItem
+
+    property string title: ""
+    property string subTitle: ""
+    property StatusIconSettings icon: StatusIconSettings {
+        width: 23
+        height: 23
+    }
+    property alias tooltip: statusToolTip
+    property alias iconButton: statusFlatRoundButton
+
+    implicitWidth: 448
+    implicitHeight: 56
+    radius: 8
+
+    color: Theme.palette.statusListItem.backgroundColor
+
+    StatusBaseText {
+        id: statusDescriptionListItemTitle
+        anchors.top: parent.top
+        anchors.left: parent.left
+        anchors.leftMargin: 16
+        anchors.topMargin: 5
+
+        color: Theme.palette.baseColor1
+        text: statusDescriptionListItem.title
+        font.pixelSize: 13
+        font.weight: Font.Medium
+    }
+
+    StatusBaseText {
+        id: statusDescriptionListItemSubTitle
+        anchors.top: statusDescriptionListItemTitle.bottom
+        anchors.left: parent.left
+        anchors.leftMargin: 16
+        anchors.topMargin: 4
+
+        text: statusDescriptionListItem.subTitle
+        color: Theme.palette.directColor1
+        font.pixelSize: 15
+        font.weight: Font.Normal
+    }
+
+    StatusFlatRoundButton {
+        id: statusFlatRoundButton
+        visible: !!statusDescriptionListItem.icon.name
+        anchors.verticalCenter: statusDescriptionListItemSubTitle.verticalCenter
+        anchors.left: statusDescriptionListItemSubTitle.right
+        anchors.leftMargin: 4
+
+        width: 32
+        height: 32
+
+        icon.name: statusDescriptionListItem.icon.name
+        icon.width: statusDescriptionListItem.icon.width
+        icon.height: statusDescriptionListItem.icon.height
+
+        StatusToolTip {
+            id: statusToolTip
+        }
+    }
+}

src/StatusQ/Components/qmldir

@@ -2,6 +2,7 @@ module StatusQ.Components
 
 StatusBadge 0.1 StatusBadge.qml
 StatusChatListItem 0.1 StatusChatListItem.qml
+StatusDescriptionListItem 0.1 StatusDescriptionListItem.qml
 StatusLetterIdenticon 0.1 StatusLetterIdenticon.qml
 StatusListItem 0.1 StatusListItem.qml
 StatusLoadingIndicator 0.1 StatusLoadingIndicator.qml