feat: add validation to include_definition macro

app/src/routes/+layout.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import "./app.css";
+  import "@nodes/ui/app.css";
 </script>
 
 <slot />

app/src/routes/app.css

@@ -1,68 +0,0 @@
-/* fira-code-300 - latin */
-@font-face {
-  font-display: swap;
-  /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
-  font-family: 'Fira Code';
-  font-style: normal;
-  font-weight: 300;
-  src: url('/fonts/fira-code-v22-latin-300.woff2') format('woff2');
-  /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
-}
-
-/* fira-code-600 - latin */
-@font-face {
-  font-display: swap;
-  /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
-  font-family: 'Fira Code';
-  font-style: normal;
-  font-weight: 600;
-  src: url('/fonts/fira-code-v22-latin-600.woff2') format('woff2');
-  /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
-}
-
-:root {
-  --font-family: 'Fira Code', monospace;
-  font-family: var(--font-family);
-
-  /* Spacing */
-  --spacing-xs: 4px;
-  /* Extra small spacing */
-  --spacing-sm: 8px;
-  /* Small spacing */
-  --spacing-md: 16px;
-  /* Medium spacing */
-  --spacing-lg: 24px;
-  /* Large spacing */
-  --spacing-xl: 32px;
-  /* Extra large spacing */
-
-}
-
-body {
-  overflow: hidden;
-
-  /* Secondary color */
-  --secondary-color: #6c757d;
-  /* Background color */
-  --background-color-lighter: #202020;
-  --background-color: #151515;
-  --background-color-darker: #101010;
-  --text-color: #aeaeae;
-
-  background-color: var(--background-color-darker);
-}
-
-body.theme-catppuccin {
-  --text-color: #CDD6F4;
-  --background-color-lighter: #313244;
-  --background-color: #1E1E2E;
-  --background-color-darker: #11111b;
-}
-
-body {
-  margin: 0;
-}
-
-/* canvas { */
-/*   display: none !important; */
-/* } */