adding comment block for supervisor role

playbooks/roles/supervisor/defaults/main.yml

+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Defaults for role supervisor
+#
 ---
 supervisor_log_dir: /var/log/supervisor
 supervisor_cfg: /etc/supervisord.conf

playbooks/roles/supervisor/tasks/main.yml

+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role supervisor
+#
+# Overview:
+#   Parameterized role for supervisord
+#   Supervisor templates must exist in the
+#   templates/ dir for each server
+# 
+# Dependencies:
+#   - common
+#
+# Example play:
+#   roles:
+#     - common
+#     - role: supervisor
+#       supervisor_servers:
+#       - ...
+
 ---
 - fail: supervisor_servers is a required parameter for this role
   when: supervisor_servers is not defined