Extend documentation with action context

Author: fkantelberg

docs/configuration.md

@@ -86,6 +86,7 @@ database. Actions are defined using a name and a dictionary in the `actions` sec
   model: .. Odoo model. Required.
   domain: .. Search domain to specify specific records. Default is []
   values: .. Dictionary to define the new value of each field. Required.
+  context .. Dictionary to update the context of the environment for the action.
   references: .. Dictionary of unique identifiers to XML references of Odoo
   chunk: .. Update or delete is done in chunks of given size. Default is 0 (no chunks).
   truncate: .. The delete action uses truncate .. cascade on the table instead.