Update the docs

[robomics]

Closes #213.

[codecov]

Codecov Report

Attention: Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 71.93%. Comparing base (7df9f84) to head (0c76328).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/hictk/cli/cli_rename_chromosomes.cpp	80.00%	1 Missing ⚠️
src/hictk/validate/validate.cpp	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #236      +/-   ##
==========================================
- Coverage   71.94%   71.93%   -0.01%     
==========================================
  Files         167      167              
  Lines       13569    13568       -1     
  Branches     1550     1550              
==========================================
- Hits         9762     9760       -2     
- Misses       2513     2514       +1     
  Partials     1294     1294              

Flag	Coverage Δ
[tests	integration](https://app.codecov.io/gh/paulsengroup/hictk/pull/236/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=paulsengroup)	62.36% <92.85%> (-0.01%)
[tests	unittests](https://app.codecov.io/gh/paulsengroup/hictk/pull/236/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=paulsengroup)	51.42% <0.00%> (-0.01%)

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[robomics]

Double-check API docs.

[robomics]

TODO: mention compression formats supported by hitck load