Prepare CASE

Procedure

Prepare the CASE files used by the process. Create a temporary directory used during the process:
```
$ mkdir /tmp/cases
```

Run the following command:

$ cloudctl case save --case case/ibm-itx-rs --outputdir /tmp/cases Downloading and extracting the CASE ...
Success
Retrieving CASE version ...
Success
Validating the CASE ...
Success
Creating inventory ...
Success
Finding inventory items
Success
Resolving inventory items ... 
Parsing inventory items
Success

A set of .tgz and .csv files will be created under the /tmp/cases folder.