Add support for git-lfs

[matglas]

Description

Adding Git LFS support to the Git MCP server.

Server Details

• Server: git
• Changes to: added git lfs dependencies in Dockerfile.

Motivation and Context

To be able to use the git mcp with repositories that have Git LFS it needed to install it in the Docker image. I tried working on a repo with LFS and it did not work. Only after I created this image with the Git LFS installed it worked.

How Has This Been Tested?

It has been test locally on a project with LFS.

Breaking Changes

It does not have any breaking changes.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

Additional context

None

[domdomegg]

Thanks for the contribution @matglas! Merged into main now :)