feat: Add login to layouts

- Add articles
- Change order of articles
- Add id attributes like in components
- Add login example

source/style/demo.scss

@@ -16,4 +16,5 @@
 @use "modules/start";
 @use "modules/clock";
 @use "modules/game";
+@use "modules/login";
 // @use "modules/YOUR-MODULE/YOUR-FILES";