Add image loading indicator.

Add AutoImage.

qml/component/AutoImage.qml

@@ -0,0 +1,34 @@
+import QtQuick 2.9
+import QtQuick.Controls 2.2
+
+Item {
+    property alias source: baseImage.source
+    property alias sourceSize: baseImage.sourceSize.width
+
+    readonly property bool loading: baseImage.status == Image.Loading
+    signal clicked()
+
+    id: rekt
+
+    width: loading ? 128 : baseImage.implicitWidth
+    height: loading ? progressBar.height : baseImage.implicitHeight
+
+    Image {
+        id: baseImage
+    }
+
+    ProgressBar {
+        id: progressBar
+        width: parent.width
+        visible: loading
+
+        indeterminate: true
+    }
+
+    MouseArea {
+        anchors.fill: parent
+        propagateComposedEvents: true
+
+        onClicked: rekt.clicked()
+    }
+}