add sdk feature to graphiti category
diff --git a/features/org.eclipse.graphiti.site/category.xml b/features/org.eclipse.graphiti.site/category.xml
index 3e3767a..f231bf0 100644
--- a/features/org.eclipse.graphiti.site/category.xml
+++ b/features/org.eclipse.graphiti.site/category.xml
@@ -6,5 +6,8 @@
    <feature id="org.eclipse.graphiti.feature.examples" version="0.0.0">
       <category name="org.eclipse.graphiti"/>
    </feature>
+   <feature url="features/org.eclipse.graphiti.sdk.feature_0.7.0.qualifier.jar" id="org.eclipse.graphiti.sdk.feature" version="0.7.0.qualifier">
+      <category name="org.eclipse.graphiti"/>
+   </feature>
    <category-def name="org.eclipse.graphiti" label="Graphiti"/>
 </site>