update ci setup instructions

Author: osallou

bioconda-backup/README.md

@@ -6,17 +6,20 @@ Also add security scan
 
 Support full scan update or update from last repo check
 
-## setup
+## requirements
 
 * nodejs
 * aws cli and aws credentials set in ~/.aws
 
+## setup
+
     ls ~/.aws
     config  credentials
 
     # config
     [default]
     region = us-east-1
+
     # credentials
     [default]
     aws_access_key_id =