Add APP_VARIANT global.

include/common.hpp

@@ -260,6 +260,7 @@ typename C::mapped_type get(const C& m, const typename C::key_type& key, const t
 // config
 
 extern const std::string APP_NAME;
+extern const std::string APP_VARIANT;
 extern const std::string APP_VERSION;
 extern const std::string APP_ARCH;
 

src/common.cpp

@@ -16,6 +16,7 @@ namespace rack {
 
 
 const std::string APP_NAME = "VCV Rack";
+const std::string APP_VARIANT = "Community Edition";
 const std::string APP_VERSION = TOSTRING(VERSION);
 #if defined ARCH_WIN
 	const std::string APP_ARCH = "win";