added Beagle preferences page under Run/Debug preferences pages

ch.qos.logback.beagle/plugin.xml

@@ -27,5 +27,14 @@
     <contexts file="contexts.xml">
     </contexts>
   </extension>
+  <extension
+        point="org.eclipse.ui.preferencePages">
+     <page
+           category="org.eclipse.debug.ui.DebugPreferencePage"
+           class="ch.qos.logback.beagle.WorkbenchPreferences"
+           id="ch.qos.logback.beagle.preferences"
+           name="Beagle">
+     </page>
+  </extension>
 
 </plugin>

ch.qos.logback.beagle/src/ch/qos/logback/beagle/WorkbenchPreferences.java

@@ -0,0 +1,39 @@
+package ch.qos.logback.beagle;
+
+import org.eclipse.jface.preference.PreferencePage;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+
+public class WorkbenchPreferences extends PreferencePage implements
+    IWorkbenchPreferencePage {
+
+  public WorkbenchPreferences() {
+    // TODO Auto-generated constructor stub
+  }
+
+  public WorkbenchPreferences(String title) {
+    super(title);
+    // TODO Auto-generated constructor stub
+  }
+
+  public WorkbenchPreferences(String title, ImageDescriptor image) {
+    super(title, image);
+    // TODO Auto-generated constructor stub
+  }
+
+  @Override
+  public void init(IWorkbench workbench) {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  protected Control createContents(Composite parent) {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+}