feat: added first screen

assets/scss/index.scss

@@ -10,9 +10,11 @@
 @import './m-logo';
 @import './m-social-link';
 @import './m-button';
+@import './m-tag';
 
 // Layouts
 
 @import './l-header';
 @import './l-main';
 @import './l-footer';
+@import './l-first-screen';