update iobber README, example call

README

@@ -46,3 +46,16 @@ If the input file contains annotations in channels other than those defined
 in the config, they will be preserved (this makes it possible to e.g. chunk
 files already annotated with named entities).
 
+
+
+Example call using the bundled model:
+
+iobber kpwr.ini -d model-kpwr03/ my_xces_input.xml -i xces -O ccl_chunked_output.xml
+
+This will read the given XCES-encoded file and produce CCL output. Note: the
+kpwr.ini config assumes the input file has been morphosyntactically tagged and
+the NKJP tagset is employed.
+
+Iobber also supports chunking stdin to stdout, as well as chunking multiple
+files at a time, see -h for details.
+