Add: #137 add colab notebooks

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Description

add colab notebooks

Related Issues

• Fixes [Feature Request]: add colab for users #137
• Related to [Feature Request]: add colab for users #137

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• New router implementation
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Performance improvement
• Code refactoring
• Test addition or update

Changes Made

• Add colab notebooks
• Fix bugs that causing errors in Colab notebooks.

Router Affected (if applicable)

• knnrouter
• svmrouter
• mlprouter
• mfrouter
• elorouter
• routerdc
• automix
• hybrid_llm
• graphrouter
• causallm_router
• router_r1
• gmtrouter
• knnmultiroundrouter
• llmmultiroundrouter
• Other / Core framework

Checklist

• I have tested my changes locally
• I have reviewed my own code
• I have added/updated documentation where necessary
• I have added tests for my changes (if applicable)
• My changes do not introduce new warnings or errors
• Any dependent changes have been merged and published

Test Plan

# Example commands used for testing
llmrouter train --router ... --config ...
llmrouter infer --router ... --config ... --query "..."

Screenshots (if applicable)

Additional Notes