feat: set default environment config as a dict

Merge branch 'master' of https://github.com/shanedroid/ansible-environment into feature/default-environment-config

closes #5

Author: franklinkim

defaults/main.yml

@@ -10,4 +10,4 @@ environment_file_group: root
 #
 # environment_config:
 #   LC_ALL: en_US.UTF-8
-environment_config:
+environment_config: {}