update application id

src/main.cpp

@@ -1,11 +1,13 @@
 #include "main.h"
 
+const Glib::ustring APPLICATION_ID = "io.github.yggverse.Yoda";
+
 int main(
     int argc,
     char* argv[]
 ) {
     auto app = Gtk::Application::create(
-        "YGGverse.Yoda"
+        APPLICATION_ID
     );
 
     return app->make_window_and_run<app::Browser>(