Added config option to disable usage print to log console

src/js/shell.js

@@ -79,12 +79,13 @@
         e.preventDefault();
       }
     });
-
+    if (CONFIG.shell_print_howto_to_logconsole){
       console.log('[shell.js] Shell initialized.');
       console.log('💡 Usage');
       console.log('Shortcut	Action');
       console.log('↑ / ↓	Browse previous commands');
       console.log('Ctrl + L	Clear the screen');
       console.log('Enter	Execute command');
+    }
   });
 })();