add kippo-graph and update cowrie doc

kippo-graph/README.md

@@ -0,0 +1,27 @@
+### wonderfall/cowrie
+
+#### What is this?
+Kippo-Graph is a full featured script to visualize statistics for a Kippo based SSH honeypot.
+
+#### Environment variables
+- **UID** *(default : 991)*
+- **GID** *(default : 991)*
+
+#### How to configure
+You should provide your own configuration file from this base : https://github.com/ikoniaris/kippo-graph/blob/master/config.php.dist
+You can mount this single file to your Docker container.
+
+#### Docker compose (example)
+```
+kippo-graph:
+  image: wonderfall/kippo-graph
+  links:
+    - cowrie-db:cowrie-db
+  volumes:
+    - /mnt/kippo-graph/config.php:/kippo-graph/config.php
+    - /mnt/cowrie/log:/opt/cowrie/log
+  environment:
+    - GID=991
+    - UID=991
+```
+