add button to export contact to clipboard as meshcore://<hex> url

src/components/contacts/ContactDropDownMenu.vue

@@ -41,6 +41,14 @@
                 <span>Share (Zero Hop Advert)</span>
             </DropDownMenuItem>
 
+            <!-- export contact button -->
+            <DropDownMenuItem @click="exportContact(contact)">
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="size-5">
+                    <path fill-rule="evenodd" d="M15.75 4.5a3 3 0 1 1 .825 2.066l-8.421 4.679a3.002 3.002 0 0 1 0 1.51l8.421 4.679a3 3 0 1 1-.729 1.31l-8.421-4.678a3 3 0 1 1 0-4.132l8.421-4.679a3 3 0 0 1-.096-.755Z" clip-rule="evenodd" />
+                </svg>
+                <span>Export to Clipboard</span>
+            </DropDownMenuItem>
+
             <!-- reset path button -->
             <DropDownMenuItem @click="onResetPath(contact)">
                 <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-5">
@@ -104,6 +112,17 @@ export default {
                 alert("Failed to share this contact!");
             }
         },
+        async exportContact(contact) {
+            try {
+                const exportedContact = await Connection.exportContact(contact.publicKey);
+                const advertPacketAsHex = Utils.bytesToHex(exportedContact.advertPacketBytes);
+                const meshCoreContactUrl = `meshcore://${advertPacketAsHex}`;
+                await Utils.copyToClipboard(meshCoreContactUrl);
+            } catch(e) {
+                console.log(e);
+                alert("Failed to export this contact!");
+            }
+        },
         async onResetPath(contact) {
 
             // confirm user wants to reset path

src/js/Connection.js

@@ -195,6 +195,10 @@ class Connection {
         await GlobalState.connection.shareContact(publicKey);
     }
 
+    static async exportContact(publicKey) {
+        return await GlobalState.connection.exportContact(publicKey);
+    }
+
     static async sendMessage(publicKey, text) {
 
         // send message