feat: add feature slicing

Signed-off-by: kjuulh <contact@kjuulh.io>

input.css

@@ -1,3 +1,14 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
+
+html, body {
+  scroll-behavior: smooth;
+  min-height: 100%;
+
+  @apply bg-gray-100 dark:bg-gray-900 text-gray-900 dark:text-gray-100;
+}
+
+.feature-case {
+  @apply m-8 border-blue-700 border-2 rounded-lg p-4;
+}