Add more help information

src/commands/about.js

@@ -8,7 +8,10 @@ class AboutCommand extends Command {
     }
 
     exec(message) {
-        return message.util.send('I do things!');
+        return message.util.send([
+            'Comp_iler is made by 1Computer.',
+            'Source code is available at <https://github.com/1Computer1/comp_iler>.'
+        ]);
     }
 }