Add support for encoding and decoding bit-packed data

[scaramallion]

Add support for Bits Allocated 1

• Implement decoding
• Implement encoding
• Add tests

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ca6fb46) to head (4beba44).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #46   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          112       128   +16     
=========================================
+ Hits           112       128   +16     

Files with missing lines	Coverage Δ
rle/__init__.py	100.00% <100.00%> (ø)
rle/utils.py	100.00% <100.00%> (ø)

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