Describe the feature or problem you’d like to solve

get_file_contents - Get contents of a file or directory

owner: Repository owner (string, required)
repo: Repository name (string, required)
path: File path (string, required)
ref: Git reference (string, optional)
begin: begin line# (number, optional)
end: end line# (number, optional)

requested addition in bold

Proposed solution

See above

Additional context

This may help reduce model context consumed by parsing large files if we only want to request a subset..