QmlDesigner: Rename effect maker plugin files to effect composer

Change-Id: I1d09c1088b4067a479f2e7cc396a348f1b48614f
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

src/plugins/effectcomposer/syntaxhighlighterdata.h

@@ -0,0 +1,23 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#pragma once
+
+#include <QByteArrayView>
+#include <QList>
+
+namespace EffectComposer {
+
+class SyntaxHighlighterData
+{
+public:
+    SyntaxHighlighterData();
+
+    static QList<QByteArrayView> reservedArgumentNames();
+    static QList<QByteArrayView> reservedTagNames();
+    static QList<QByteArrayView> reservedFunctionNames();
+};
+
+} // namespace EffectComposer
+
+