Add Quantize example

[MathisWellmann]

Changes:

• Add quantize-example
• Runtime: include generated code in the error as well as LLM prompt
• Runtime: Improve function validation, allowing for more flexibility when parsing generated code.

📜 Checklist

• I take responsibility for the code quality and understand my proposed changes.
• The PR scope is bounded
• Relevant issues and discussions are referenced
• Test coverage is excellent and passes
• Tests test the desired behavior
• Documentation is thorough