Migrate more stuff

src/lib/components/Link.svelte

@@ -1,9 +1,13 @@
 <script lang="ts">
   import {goto} from "$app/navigation"
 
-  export let href
-  export let external = false
-  export let replaceState = false
+  interface Props {
+    href: string
+    external: boolean
+    replaceState: boolean
+  }
+
+  let {href, external = false, replaceState = false, ...restProps} = $props()
 
   const go = (e: Event) => {
     if (!external) {
@@ -16,9 +20,9 @@
 
 <a
   {href}
-  {...$$props}
+  {...restProps}
   on:click|stopPropagation={go}
-  class="cursor-pointer {$$props.class}"
+  class="cursor-pointer {restProps.class}"
   rel={external ? "noopener noreferer" : ""}
   target={external ? "_blank" : ""}>
   <slot />