fix(ml-cellar): add MLBin struct

[scepter914]

Summary

fix(ml-cellar): add MLBin struct

Change point

• fix(ml-cellar): add MLBin struct

This PR add MLBin struct to handle easily for the path.

• chore(ml-cellar): add docstring

[Copilot]

Pull request overview

This PR introduces an MLBin struct to simplify handling of ML-bin paths throughout the codebase. The changes refactor the configuration structure by renaming repository.rs to cellar.rs with a more descriptive CellarConfig name. Additionally, comprehensive documentation has been added across all modules and functions.

Changes:

• Added new MLBin struct for centralized ML-bin path management with factory methods
• Renamed RepositoryConfig to CellarConfig and moved from repository.rs to cellar.rs
• Enhanced all functions and CLI commands with detailed documentation
• Refactored ProjectConfig::is_valid_version() to accept string parameters instead of extracting from paths

Reviewed changes

Copilot reviewed 5 out of 13 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/repository.rs	Deleted - configuration moved to cellar.rs
src/cellar.rs	New file with renamed CellarConfig and load_cellar_config function
src/ml_bin.rs	New file containing MLBin struct for ML-bin path handling
src/lib.rs	Updated module exports to reflect new structure
src/rack.rs	Added documentation, converted to absolute paths, refactored ProjectConfig methods
src/bin/ml-cellar/check.rs	Refactored to use MLBin struct and both cellar/rack configs
src/bin/ml-cellar/docs.rs	Updated function names and variable names for consistency
src/bin/ml-cellar/init.rs	Updated to use CellarConfig instead of RepositoryConfig
src/bin/ml-cellar/main.rs	Added comprehensive CLI documentation
src/bin/ml-cellar/rack.rs	Added function documentation
src/bin/ml-cellar/push.rs	Added function documentation
src/bin/ml-cellar/materialize.rs	Added function documentation
src/bin/ml-cellar/clone.rs	Added function documentation

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