Add kitchen-salt documentation to the README file

README.rst

@@ -22,3 +22,29 @@ Installs the postgresql package.
 -------------------
 
 Installs the postgresql python module
+
+Testing
+=======
+
+Testing is done wit kitchen-salt
+
+``kitchen converge``
+--------------------
+
+Runs the postgres main state
+
+``kitchen verify``
+------------------
+
+Runs serverspec tests on the actual instance
+
+``kitchen test``
+----------------
+
+Builds and runs test from scratch
+
+``kitchen login``
+-----------------
+
+Gives you ssh to the vagrant machine for manual testing
+