Pamhyr2: About: Add code name.

src/View/ui/about.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>640</width>
-    <height>360</height>
+    <height>361</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -128,7 +128,7 @@
        <item>
         <widget class="QLabel" name="label_version">
          <property name="text">
-          <string>Version: @version</string>
+          <string>Version: @version @codename</string>
          </property>
         </widget>
        </item>
@@ -247,6 +247,9 @@
        </item>
       </layout>
      </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_6"/>
+     </item>
      <item>
       <spacer name="verticalSpacer_3">
        <property name="orientation">