added mention of Stefanie Handke on frontpage

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.example</groupId>
     <artifactId>Widerhall</artifactId>
-    <version>0.2.51</version>
+    <version>0.2.52</version>
     <build>
         <plugins>
             <plugin>

static/templates/frontpage.st

@@ -39,6 +39,7 @@
             I`m very grateful to the people who supported me writing and testing this software:
             <ul>
                 <li>Erik Heinz for sharing his knowledge on email protocols and pitfalls</li>
+                <li>Stefanie Handke for pointing me to CSS issues</li>
             </ul>
         </fieldset>
         «footer()»