Add homepage URL to Plugin metadata

src/Befaco.cpp

@@ -7,6 +7,7 @@ void init(rack::Plugin *p) {
 	plugin = p;
 	plugin->slug = "Befaco";
 	plugin->name = "Befaco";
+	plugin->homepageUrl = "https://github.com/VCVRack/Befaco";
 	createModel<EvenVCOWidget>(plugin, "EvenVCO", "EvenVCO");
 	// createModel<RampageWidget>(plugin, "Rampage", "Rampage");
 	createModel<ABCWidget>(plugin, "ABC", "A*B+C");