Add main.tf

* It's empty, but is usually the main entry point
* Contains list of terraform files and their function

Author: Stretch96

main.tf

@@ -0,0 +1,8 @@
+# https://github.com/chris-qa-org/terraform-aws-organzation-and-sso
+#
+# main terraform files:
+# org.tf: AWS Organizaion resources
+# sso.tf: AWS Single Sign On resources
+# locals.tf: local values
+# variables.tf: Input variables
+# outputs.tf: Output values