Make it clear which files are fully custom vs overridden

Signed-off-by: falkTX <falktx@falktx.com>

src/custom/library.cpp

@@ -0,0 +1,47 @@
+/*
+ * DISTRHO Cardinal Plugin
+ * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * For a full copy of the GNU General Public License see the LICENSE file.
+ */
+
+#include <library.hpp>
+
+// Define the stuff needed for VCVRack but unused for Cardinal
+namespace rack {
+namespace library {
+
+std::string appChangelogUrl;
+std::string appDownloadUrl;
+std::string appVersion;
+std::string loginStatus;
+std::map<std::string, UpdateInfo> updateInfos;
+std::string updateStatus;
+std::string updateSlug;
+float updateProgress = 0.f;
+bool isSyncing = false;
+bool restartRequested = false;
+bool refreshRequested = false;
+
+void checkAppUpdate() {}
+void checkUpdates() {}
+bool hasUpdates() { return false; }
+bool isAppUpdateAvailable() { return false; }
+bool isLoggedIn() { return false; }
+void logIn(std::string, std::string) {}
+void logOut() {}
+void syncUpdate(std::string) {}
+void syncUpdates() {}
+
+}
+}