add contact link to allow removing node via email

src/public/index.html

@@ -440,6 +440,7 @@
                                             <div>Nodes that have not been heard for 7 days are automatically removed.</div>
                                             <div>Disable position reporting in your node to prevent it coming back.</div>
                                             <div>Use custom encryption keys so the public can't see your position data.</div>
+                                            <div>To have your node removed now, please <a target="_blank" href="https://liamcottle.com/contact" class="link">contact me</a>.</div>
                                         </div>
                                         <div class="bg-gray-100 rounded p-2 border border-gray-200">
                                             <div class="font-semibold">How do I see neighbours a node heard?</div>