[Feature] Added CodeGen as a part of stresscli

### Priority

P1-Stopper

### OS type

Ubuntu

### Hardware type

Xeon-GNR

### Running nodes

Other

### Description

- Initial benchmarking support for CodeGen 
- Add parameters for summary_type support
- Add parameter for output streaming
- Added support for fixed testing and custom input testing

Refer to DocSum support: #252

The owner is Kaajas, Samu