Init file sending.

qml/component/AudioBubble.qml

@@ -0,0 +1,19 @@
+import QtQuick 2.9
+import QtQuick.Controls 2.2
+import QtMultimedia 5.8
+
+AvatarContainer {
+    Button {
+        id: downloadButton
+
+        text: content.body
+        highlighted: !sentByMe
+        flat: true
+
+        onClicked: downloadable.downloadAndOpen()
+
+        Audio {
+            audioRole: Audio.VoiceCommunicationRole
+        }
+    }
+}