adding a quick example for the Fedora-Join group

fedora_join_example.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# A simple test 
+# Alberto Rodriguez Sanchez bt0dotninja@fedoraproject.org
+# Renato Silva resilva87@fedoraproject.org
+
+
+
+import pandas
+from geofp import geofp
+from datetime import datetime
+
+if __name__=='__main__':
+    #constructor load the config file (Mandatory)
+    gp=geofp('myconfig.cfg')
+    # get all the members active since June, 01
+    df=gp.by_group('fedora-join',datetime(2018,7,1))
+    # save as csv (actually is pandas dataframe)
+    df.to_csv('Fedora_join.csv')