refactor invite page to pickup webpacked code

public/javascript/invite.js

@@ -1,74 +0,0 @@
-window.onload = function () {
-  if (!window.nostr) {
-    console.log('Nostr extension not present');
-    document.querySelector('#nostr-signup-button').disabled = true;
-    document.querySelector('#no-extension-nudges').style.display = 'block';
-  } else {
-    console.log('Nostr extension present');
-  }
-};
-
-const signUpConfirmation = document.querySelector('#sign-up-success');
-
-function showConfirmationAndRedirect() {
-  signUpConfirmation.classList.add('revealed');
-  setTimeout(() => {
-    window.location.href = '/createProfile';
-  }, 5000);
-}
-
-async function acceptInvite() {
-  let challengeResponse;
-  try {
-    challengeResponse = await fetch('/api/signup/nostr-challenge', {
-      method: 'GET',
-      headers: {
-        'Content-Type': 'application/json',
-      },
-    });
-  } catch (error) {
-    console.log(`Something went wrong: ${error}`);
-    return;
-  }
-
-  const { challenge } = await challengeResponse.json();
-
-  let pubkey;
-  try {
-    pubkey = await window.nostr.getPublicKey();
-  } catch (error) {
-    document.querySelector('#rejected-nostr-nudges').style.display = 'block';
-    return;
-  }
-  const event = {
-    kind: 22242,
-    created_at: Math.floor(Date.now() / 1000),
-    tags: [['challenge', challenge]],
-    content: 'Sign this challenge to authenticate',
-    pubkey: pubkey,
-  };
-
-  let signedEvent;
-  try {
-    signedEvent = await window.nostr.signEvent(event);
-  } catch (error) {
-    document.querySelector('#rejected-nostr-nudges').style.display = 'block';
-    return;
-  }
-
-  let verifyResponse;
-  try {
-    verifyResponse = await fetch('/api/signup/nostr-verify', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify(signedEvent),
-    });
-  } catch (error) {
-    console.log(`Something went wrong: ${error}`);
-    return;
-  }
-
-  if (verifyResponse.ok) {
-    showConfirmationAndRedirect();
-  }
-}