Add UI for importing and exporting megolm keys

src/neochatconnection.h

@@ -9,6 +9,10 @@
 #include <QCoroTask>
 #include <Quotient/connection.h>
 
+#if Quotient_VERSION_MINOR > 8
+#include <Quotient/keyimport.h>
+#endif
+
 #include "models/threepidmodel.h"
 
 class LinkPreviewer;
@@ -169,6 +173,10 @@ public:
      */
     Q_INVOKABLE QString accountDataJsonString(const QString &type) const;
 
+#if Quotient_VERSION_MINOR > 8
+    Q_INVOKABLE Quotient::KeyImport::Error exportMegolmSessions(const QString &passphrase, const QString &path);
+#endif
+
     qsizetype directChatNotifications() const;
     bool directChatsHaveHighlightNotifications() const;
     qsizetype homeNotifications() const;