Start work on launching a stream from QML and rip out remaining QtWidgets

app/main.cpp

@@ -3,6 +3,7 @@
 
 #include "gui/computermodel.h"
 #include "gui/appmodel.h"
+#include "streaming/session.hpp"
 
 // Don't let SDL hook our main function, since Qt is already
 // doing the same thing
@@ -30,6 +31,7 @@ int main(int argc, char *argv[])
     // Register our C++ types for QML
     qmlRegisterType<ComputerModel>("ComputerModel", 1, 0, "ComputerModel");
     qmlRegisterType<AppModel>("AppModel", 1, 0, "AppModel");
+    qmlRegisterUncreatableType<Session>("Session", 1, 0, "Session", "Session cannot be created from QML");
     qmlRegisterSingletonType<ComputerManager>("ComputerManager", 1, 0,
                                               "ComputerManager",
                                               [](QQmlEngine*, QJSEngine*) -> QObject* {