Show blurhashes for image events

src/blurhashimageprovider.h

@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#pragma once
+
+#include <QQuickImageProvider>
+
+class BlurhashImageProvider : public QQuickImageProvider
+{
+public:
+    BlurhashImageProvider();
+    QImage requestImage(const QString &id, QSize *size, const QSize &requestedSize) override;
+};