add the visitor API endpoint

app/src/lib/link.svelte

@@ -5,10 +5,13 @@
   const default_color = "white-1";
 
   export let active = false;
+  export let highlight = true;
   export let link = "";
   export let icon = "";
 
-  let style = `text-decoration-color: var(--${color()});`;
+  let style = "";
+
+  if (highlight) style = `text-decoration-color: var(--${color()});`;
 
   if (active) style += `color: var(--${color()});`;
   else style += `color: var(--${default_color});`;
@@ -17,6 +20,18 @@
 {#if icon != ""}
   <Icon {icon} />
 {/if}
-<a {style} href={link}>
-  <slot></slot>
-</a>
+{#if highlight}
+  <a {style} href={link}>
+    <slot></slot>
+  </a>
+{:else}
+  <a {style} class="no-highlight" href={link}>
+    <slot></slot>
+  </a>
+{/if}
+
+<style>
+  .no-highlight:hover {
+    text-decoration: none;
+  }
+</style>