add license file (#358)

* cleanup constrain

* update

* update morpheus 0.9.0

* update readme

* update subscription example

* update webiste

* update tests

* emove depricated type instances for Object

* name

* add license

package.yaml

@@ -8,7 +8,7 @@ synopsis: Morpheus GraphQL
 maintainer: "[email protected]"
 homepage: https://morpheusgraphql.com
 copyright: "(c) 2019 Daviti Nalchevanidze"
-
+license-file: LICENSE
 description: Build GraphQL APIs with your favourite functional language!
 
 extra-source-files: