Add more examples in docs

### 📝 Description of the feature

- HPS
- SLURM
- Evolutionary algorithms
- Optimization
- Addons

### 💡 Steps for implementing the feature

Add examples

### 🔗 Useful links and references

_No response_

No documentation file, example location, or test is named. Start by locating the existing documentation examples and determine which sections cover HPS, SLURM, evolutionary algorithms, optimization, and addons; done means adding appropriate examples for the requested topics and verifying the documentation builds.

Written by the indexing model from the issue text.