Documentation: Running QAT | Grouping QIS missing usage examples

[stevescia]

The running QAT | Grouping QIS (https://www.qir-alliance.org/qat/QuickStart/running-qat/) section is missing qat examples showing usage of the revised circuit separation work, as described in the QAT DeveloperGuide: https://www.qir-alliance.org/qat/DeveloperGuide/LogicSeparation/