Add note about open forgejo registration

src/index.css

@@ -99,7 +99,7 @@ table tr:hover {
     grid-gap: 1em;
 }
 
-#array div {
+#array div, .box {
     margin: 0 0.5em;
     padding: 0.5em;
     background-color: #333;

src/index.html

@@ -84,6 +84,20 @@
         <main>
             <h1>Hello There!</h1>
             <p><span id="__age">17</span> | she/it | "full"-stack</p>
+
+            <div class="box">
+                <h2>New! Forgejo server is now open to registration!</h2>
+                <p>
+                    if you wanted to commit to any of the projects hosted on my
+                    <a href="https://git.i-am.nexus/nex/nexy7574.co.uk-b" rel="noopener" target="_blank" class="icon">
+                        <img src="img/forgejo-color.svg" alt="Forgejo" title="Forgejo (git) & source code" width="32px" height="32px" class="icon">
+                        forgejo server
+                    </a>,
+                    you can now register and start contributing!
+                </p>
+                <p>For security reasons, signups are manually confirmed - it is encouraged you use a third party provider, such as Discord or GitHub.</p>
+            </div>
+
             <h2>Quick - about me</h2>
             <div>
                 <p>You can hover over icons to get a tooltip, and some you can click to go places.</p>