add example configuration file as per Andreas' suggestion
diff --git a/examples/osmo-pcu.cfg b/examples/osmo-pcu.cfg
new file mode 100644
index 0000000..8e5bd51
--- /dev/null
+++ b/examples/osmo-pcu.cfg
@@ -0,0 +1,6 @@
+pcu
+ flow-control-interval 10
+ cs 4
+ alloc-algorithm b
+ alpha 0
+ gamma 0