dev(narugo): add repository analysis utils

[narugo1992]

from hfutils.repository import hf_hub_repo_analysis

repo = hf_hub_repo_analysis(
    repo_id='deepghs/danbooru2024',
    # subdir='images',
    # repo_type='model',
    # sort_by='size',
)
print(repo)
print(repo.total_size)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.82%. Comparing base (3dc7994) to head (3fff0ae).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #56      +/-   ##
==========================================
+ Coverage   86.39%   86.82%   +0.42%     
==========================================
  Files          59       60       +1     
  Lines        1941     2004      +63     
==========================================
+ Hits         1677     1740      +63     
  Misses        264      264              

Flag	Coverage Δ
unittests	86.82% <100.00%> (+0.42%)	⬆️

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