core/qmlglobal: add execDetached functions for spawning processes

src/io/processcore.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <qcontainerfwd.h>
+#include <qhash.h>
+#include <qprocess.h>
+#include <qvariant.h>
+
+namespace qs::core::process {
+
+void setupProcessEnvironment(
+    QProcess* process,
+    bool clear,
+    const QHash<QString, QVariant>& envChanges
+);
+
+}