fixed upper/lower case fiesta

src/widgets/settingspages/ExternalToolsPage.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "widgets/settingspages/SettingsPage.hpp"
+
+namespace chatterino {
+
+class ExternalToolsPage : public SettingsPage
+{
+public:
+    ExternalToolsPage();
+};
+
+}  // namespace chatterino