Move astro files to astro directory

assets/css/base.pcss

@@ -1,30 +0,0 @@
-@layer base {
-  h2 {
-    @apply font-bold
-  }
-
-  blockquote {
-    @apply pl-4 border-l-3 border-blue-primary dark:border-blue-400;
-  }
-
-  code {
-    @apply px-2 py-1 text-sm rounded-md text-grey-700 bg-grey-200 dark:bg-grey-800 dark:text-grey-100;
-  }
-
-  pre {
-    @apply p-4 my-8 overflow-auto rounded-md text-grey-700 bg-grey-200 dark:bg-grey-800 dark:text-grey-100;
-  }
-
-  pre code {
-    @apply bg-transparent;
-  }
-
-  iframe {
-    @apply w-full;
-  }
-
-  a:focus {
-    @apply outline-black dark:outline-white;
-    outline-offset: 2px !important;
-  }
-}

assets/css/components.pcss

@@ -1,11 +0,0 @@
-@layer components {
-  .link {
-    @apply inline-block underline text-blue-primary hover:text-blue-900 dark:text-blue-400 dark:hover:text-white;
-    text-decoration-thickness: 1px;
-    text-underline-offset: 0.1em;
-  }
-
-  .visually-hidden {
-    @apply sr-only;
-  }
-}

assets/css/tailwind.pcss

@@ -1,7 +0,0 @@
-@import 'tailwindcss/base';
-@import 'tailwindcss/components';
-@import 'tailwindcss/utilities';
-
-@import './base.pcss';
-@import './components.pcss';
-@import './utilities.pcss';

assets/css/utilities.pcss

@@ -1,15 +0,0 @@
-@layer utilities {
-  @variants dark {
-    .text-decoration-blue-400 {
-      text-decoration-color: theme('colors.blue.400');
-    }
-
-    .text-decoration-blue-primary {
-      text-decoration-color: theme('colors.blue.800');
-    }
-
-    .text-decoration-white {
-      text-decoration-color: theme('colors.white');
-    }
-  }
-}