Report Disk Space Used

[rlizzo]

Motivation and Context

Why is this change required? What problem does it solve?:

added methods to return repo disk space used

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Documentation update
• 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)

Is this PR ready for review, or a work in progress?

• Ready for review
• Work in progress

How Has This Been Tested?

Put an x in the boxes that apply:

• Current tests cover modifications made
• New tests have been added to the test suite
• Modifications were made to existing tests to support these changes
• Tests may be needed, but they are not included when the PR was proposed
• I don't know. Help!

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have signed (or will sign when prompted) the tensorwork CLA.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #174 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #174      +/-   ##
==========================================
+ Coverage   95.23%   95.24%   +0.01%     
==========================================
  Files          66       66              
  Lines       11862    11881      +19     
  Branches     1011     1011              
==========================================
+ Hits        11296    11315      +19     
  Misses        370      370              
  Partials      196      196

Impacted Files	Coverage Δ
src/hangar/repository.py	97.79% <100%> (+0.16%)	⬆️
tests/test_initiate.py	100% <100%> (ø)	⬆️