Merge pull request #28 from sunhacksio/6-0_date_update_mail

Updated Mail sign-up page to reflect Fall '23 event

mail.html

@@ -11,21 +11,21 @@
 
     <!-- HTML Meta Tags https://www.opengraph.xyz -->
     <title>sunhacks 2023</title>
-    <meta name="description" content="sunhacks 2023 will be hosted in Spring 2023.">
+    <meta name="description" content="sunhacks 6.0 will be hosted in Fall 2023.">
 
     <!-- Facebook Meta Tags https://www.opengraph.xyz -->
     <meta property="og:url" content="https://sunhacks.io/">
     <meta property="og:type" content="website">
     <meta property="og:title" content="sunhacks 2023">
-    <meta property="og:description" content="sunhacks 2023 will be hosted in Spring 2023.">
+    <meta property="og:description" content="sunhacks 6.0 will be hosted in Fall 2023.">
     <meta property="og:image" content="https://sunhacks.io/assets/images/graphics/meta-image.png">
 
     <!-- Twitter Meta Tags https://www.opengraph.xyz -->
     <meta name="twitter:card" content="summary_large_image">
     <meta property="twitter:domain" content="sunhacks.io">
     <meta property="twitter:url" content="https://sunhacks.io/">
     <meta name="twitter:title" content="sunhacks 2023">
-    <meta name="twitter:description" content="sunhacks 2023 will be hosted in Spring 2023.">
+    <meta name="twitter:description" content="sunhacks 6.0 will be hosted in Fall 2023.">
     <meta name="twitter:image" content="https://sunhacks.io/assets/images/graphics/meta-image.png">
 
     <!-- STYLESHEETS-->
@@ -57,7 +57,7 @@
                         </div>
                         <div class="window-info">
                             <div class="title">welcome to sunhacks</div>
-                            <p><strong>Coming&nbsp;Spring&nbsp;2023</strong></p>
+                            <p><strong>Coming&nbsp;Fall&nbsp;2023</strong></p>
                             <p>The sunhacks setup wizards (organizers) are installing the 2023 event.
                                 Please wait while registration is being setup...</p>
                             <form id="subscribe" action="https://sendy.sunhacks.io/subscribe" method="POST"
@@ -66,7 +66,7 @@
                                 <input type="hidden" name="name"/>
                                 <fieldset>
                                     <legend>Hacker Registration</legend>
-                                    Registration starts <strong>in Spring 2023</strong>. Sign up now to get notified:
+                                    Registration starts <strong>in Fall 2023</strong>. Sign up now to get notified:
                                     <div class="field-row-stacked" id=firstNameField>
                                         <label for="FirstName">First Name</label>
                                         <input id="FirstName" type="text" name="FirstName" required />