fix(playground): tailwind css source

Author: Barbapapazes

packages/.playground/src/styles/main.css

@@ -1,5 +1,5 @@
 @import 'tailwindcss';
-@source '../../../base-components/src';
+@source '../../../base-components';
 @plugin '@egoist/tailwindcss-icons';
 
 @import './keyframes.css';