Update documentation for site/ migration and restructuring

Documentation updates across the codebase:

Root documentation:
- README.md: Updated references from book/ to site/
- CONTRIBUTING.md: Updated build and workflow instructions
- .shared-ai-rules.md: Updated AI assistant rules for new structure

GitHub configuration:
- Issue templates updated for new module locations
- Workflow references updated from book/ to site/

docs/ updates:
- STUDENT_QUICKSTART.md: New paths and structure
- module-rules.md: Updated module development guidelines
- NBGrader documentation: Updated for module restructuring
- Archive documentation: Updated references

Module documentation:
- modules/17_memoization/README.md: Updated after reordering

All documentation now correctly references:
- site/ instead of book/
- modules/XX_name/ instead of modules/source/

docs/nbgrader/NBGrader_Text_Response_Technical_Implementation.md

@@ -245,7 +245,7 @@ python automation_deployment_script.py --validate
 ./bin/tito nbgrader generate 02_tensor
 
 # Check metadata integrity
-jupyter nbconvert --to notebook modules/source/02_tensor/tensor_dev.py
+jupyter nbconvert --to notebook modules/02_tensor/tensor_dev.py
 ```
 
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