Added docblox default configuration file.

Now docblox can be run without arguments on friendica root dir.
The documentation will be generated on ./data/output

docblox.dist.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<docblox>
+  <parser>
+    <target>data/output</target>
+  </parser>
+  <transformer>
+    <target>data/output</target>
+  </transformer>
+  <files>
+    <directory>.</directory>
+  </files>
+</docblox>
+