Merge pull request #36 from GMLC-TDC/citation

Update copyright and add citation to HELICS paper

src/lib/Footer.svelte

@@ -1,6 +1,6 @@
 <footer class="bg-gray-900 text-gray-200 shadow-lg text-center lg:text-left mt-6">
   <div class="text-gray-200 text-center p-4" style="background-color: rgba(0, 0, 0, 0.2);">
-    © 2022 Copyright:
+    © 2024 Copyright:
     <a class="text-gray-100" href="https://github.com/GMLC-TDC/HELICS">HELICS</a>
   </div>
 </footer>

src/routes/index.svelte

@@ -61,6 +61,13 @@
       For more information, please visit the
       <a href="https://gmlc.doe.gov/">GMLC website</a>.
     </p>
+    <p>
+      General citation for HELICS:
+      T. Hardy, B. Palmintier, P. Top, D. Krishnamurthy and J. Fuller,
+       "HELICS: A Co-Simulation Framework for Scalable Multi-Domain Modeling and Analysis," in IEEE Access,
+        doi: 10.1109/ACCESS.2024.3363615, available at 
+        <a href=https://ieeexplore.ieee.org/document/10424422><https://ieeexplore.ieee.org/document/10424422/a>
+    </p>
     <h1 class="mt-4">Partner Laboratories</h1>
   </article>
   <div class="grid grid-cols-4 items-center justify-between">