Update credits and documentation

novelwriter/assets/text/credits_en.htm

@@ -79,12 +79,18 @@ more contributions are listed on the project's Members page.</p>
 
 <h3>Colour Themes</h3>
 
-<p>Some colour themes included with novelWriter were adapted from the following sources:</p>
+<p>Colour themes included with novelWriter were adapted from the following sources:</p>
 
 <ul>
+  <li><b>Aura</b> theme by Dalton Menezes</li>
+  <li><b>B2T</b> themes by Bram de Haan</li>
+  <li><b>B4T</b> themes by Bram de Haan</li>
   <li><b>Dracula</b> theme by Zeno Rocha</li>
   <li><b>Espresso</b> theme by Sainnhe Park and Antoine Cotten</li>
-  <li><b>Noctis</b> themes by Liviu Schera, and contributors</li>
+  <li><b>Everforest</b> themes by Sainnhe Park</li>
+  <li><b>New Moon</b> theme by Tania Rascia</li>
+  <li><b>Noctis</b> themes by Liviu Schera and contributors</li>
+  <li><b>Nord</b> theme by Sven Greb</li>
   <li><b>Owl</b> themes by Sarah Drasner</li>
   <li><b>Primer</b> themes by GitHub Inc and Myian</li>
   <li><b>Snazzy Light</b> theme by Florian Reuschel</li>
@@ -96,9 +102,17 @@ more contributions are listed on the project's Members page.</p>
 <p>Other themes were created for novelWriter:</p>
 
 <ul>
+  <li><b>Aura</b> theme variations by Myian</li>
   <li><b>Blue Streak</b> themes by Veronica Berglyd Olsen</li>
+  <li><b>Castle</b> themes by Myian</li>
+  <li><b>Chalky Soil</b> theme by Myian</li>
+  <li><b>Chernozem</b> theme by Myian</li>
   <li><b>Cyberpunk Night</b> theme by Anders Lemvigh</li>
+  <li><b>Floral</b> themes by Myian</li>
+  <li><b>Full Moon</b> theme by Myian</li>
   <li><b>LCARS</b> theme by Veronica Berglyd Olsen</li>
+  <li><b>Nordlicht</b> theme by Myian</li>
+  <li><b>Ruby</b> themes by Myian</li>
 </ul>
 
 <h3>Fonts</h3>