Added flags file to graphql

Author: syrusakbary

graphql/flags.py

@@ -0,0 +1,9 @@
+# This file makes it easier to know what are the features
+# the GraphQL-core API supports
+
+# This permits to plug different backend when executing graphql(...)
+BACKEND_EXECUTOR = True
+
+# This add a new path attribute to ResolveInfo, filled with the
+# path of the field where is being executed
+PATH_IN_RESOLVEINFO = True