config: Change the config to multiple lines

Signed-off-by: Sayan Chowdhury <[email protected]>

fedimg-conf.toml.example

@@ -10,7 +10,9 @@ volume_size = 7
 access_id = "secretaccessID"
 secret_key = "supersecretsecretkey"
 base_region = 'us-east-1'
-regions = ['ap-northeast-2', 'us-east-2', 'ap-southeast-1', 'ap-southeast-2', 'ap-south-1', 'eu-west-1', 'sa-east-1', 'us-east-1', 'us-west-2', 'us-gov-west-1', 'us-west-1', 'eu-central-1', 'ap-northeast-1']
+regions = ['ap-northeast-2', 'us-east-2', 'ap-southeast-1', 'ap-southeast-2',
+           'ap-south-1', 'eu-west-1', 'sa-east-1', 'us-east-1', 'us-west-2',
+           'us-gov-west-1', 'us-west-1', 'eu-central-1', 'ap-northeast-1']
 
 [rackspace]
 username = "someuser"