refactored the ignores page a bit

src/widgets/settingspages/IgnoresPage.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "widgets/settingspages/SettingsPage.hpp"
+
+#include <QStringListModel>
+
+class QVBoxLayout;
+
+namespace chatterino {
+
+class IgnoresPage : public SettingsPage
+{
+public:
+    IgnoresPage();
+
+    void onShow() final;
+
+private:
+    QStringListModel userListModel;
+};
+
+}  // namespace chatterino