Update layout to be a svelte monorepo with shadcn-svelte

Also: add the start of a.starrysky.fyi
diff --git a/packages/components/src/routes/+layout.svelte b/packages/components/src/routes/+layout.svelte
new file mode 100644
index 0000000..d93b258
--- /dev/null
+++ b/packages/components/src/routes/+layout.svelte
@@ -0,0 +1,6 @@
+<script>
+	import '../app.postcss';
+	import '../app.postcss';
+</script>
+
+<slot />