Update default config

bonfire/resources/default_config.yaml

@@ -1,13 +1,14 @@
 # Bonfire deployment configuration
 
-# Defines where to fetch the file that defines application configs
-# appsFile:
-#   host: gitlab
-#   repo: insights-platform/cicd-common
-#   path: bonfire_configs/ephemeral_apps.yaml
+# If using '--source=file', defines where to fetch the file that defines application configs
+#appsFile:
+#  host: github
+#  repo: myorg/myrepo
+#  path: configs/apps.yaml
 
-# (optional) define any apps locally. An app defined here with <name> will override config for app
-# <name> in above fetched config.
+# (optional) define any apps locally. An app defined here with <name> will take precedence
+# over config loaded via --source=file or --source=appsre. See README for more info:
+# https://github.com/RedHatInsights/bonfire/blob/master/README.md#using-a-local-config
 apps:
 - name: my_custom_app
   components: