Add generic github link

Added a regular github link for myself and made some minor adjustments.

get-involved.html

@@ -25,20 +25,20 @@ <h2>Become a Sponsor</h2>
 <p>To contribute towards OpenFL development work, visit the individual GitHub Sponsors pages of our dedicated team members. With your help, they'll be able to fix more bugs and add cool, new features. Many thanks!</p>
 
 <div class="container">
-	<div class="row">
-		<div class="col-md-4 col-md-offset-2 text-center">
-			<p><a href="https://github.com/sponsors/jgranick"><img class="img-circle" style="max-width:250px" src="/images/get-involved/github-sponsors-jgranick.jpg"></a></p>
-			<span class="icon-github"></span> <a href="https://github.com/sponsors/jgranick">Joshua Granick on GitHub Sponsors</a>
-		</div>
-		<div class="col-md-4 text-center">
-			<p><img class="img-circle" style="max-width:250px" src="/images/get-involved/default-chrisspeciale.png"></p>
-			<span class="icon-github"></span> Chris Speciale
-		</div>
-		<div class="col-md-4 text-center">
-			<p><a href="https://github.com/sponsors/joshtynjala"><img class="img-circle" style="max-width:250px" src="/images/get-involved/github-sponsors-joshtynjala.png"></a></p>
-			<span class="icon-github"></span> <a href="https://github.com/sponsors/joshtynjala">Josh Tynjala on GitHub Sponsors</a>
-		</div>
-	</div>
+    <div class="row">
+        <div class="col-md-4 text-center">
+            <p><a href="https://github.com/sponsors/jgranick"><img class="img-circle" style="max-width:250px" src="/images/get-involved/github-sponsors-jgranick.jpg" alt="Joshua Granick"></a></p>
+            <span class="icon-github"></span> <a href="https://github.com/sponsors/jgranick">Joshua Granick on GitHub Sponsors</a>
+        </div>
+        <div class="col-md-4 text-center">
+            <p><a href="https://github.com/dimensionscape"></a><img class="img-circle" style="max-width:250px" src="/images/get-involved/default-chrisspeciale.png" alt="Chris Speciale"></a></p>
+            <span class="icon-github"></span> <a href="https://github.com/dimensionscape">Chris Speciale on Github</a>
+        </div>
+        <div class="col-md-4 text-center">
+            <p><a href="https://github.com/sponsors/joshtynjala"><img class="img-circle" style="max-width:250px" src="/images/get-involved/github-sponsors-joshtynjala.png" alt="Josh Tynjala"></a></p>
+            <span class="icon-github"></span> <a href="https://github.com/sponsors/joshtynjala">Josh Tynjala on GitHub Sponsors</a>
+        </div>
+    </div>
 </div>
 
 <h2>Become a Contributor</h2>