Class fraction

[jatkinson1000]

Adds the functionality of giving the 'fraction through a classification' a score is based on the handicap.

As requested by users.

[jatkinson1000]

Should probably use type of classification in the function name for consistency elsewhere. No other schemes can use this at present, but field will need it in #46

[jatkinson1000]

Need to add a check for when handicap and score can overlap slightly either way at boundaries after being rounded to integers.

Roughly:

• If score is a boundary value (in classification_scores) set to... 0.0? 1.0?... 0.0 makes sense I think as 1 occurs when we are at the highest classification we can be.
• Though on this note check what to do when we hit the top bound - should always be 1.0

[jatkinson1000]

Think this is now OK to go.
Consider bumping to 1.1.0 and adding a release, or instead wait until larger changes such as #46 come in.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.95%. Comparing base (cd4dc92) to head (bcdda67).
⚠️ Report is 81 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #91      +/-   ##
==========================================
+ Coverage   97.64%   97.95%   +0.30%     
==========================================
  Files          28       28              
  Lines        1613     1710      +97     
==========================================
+ Hits         1575     1675     +100     
+ Misses         38       35       -3     

Files with missing lines	Coverage Δ
archeryutils/classifications/__init__.py	100.00% <ø> (ø)
...tils/classifications/agb_indoor_classifications.py	100.00% <100.00%> (ø)
...ils/classifications/agb_outdoor_classifications.py	100.00% <100.00%> (ø)
...heryutils/classifications/tests/test_agb_indoor.py	100.00% <100.00%> (ø)
...eryutils/classifications/tests/test_agb_outdoor.py	100.00% <100.00%> (ø)
archeryutils/handicaps/tests/test_handicaps.py	100.00% <100.00%> (ø)
archeryutils/utils.py	100.00% <ø> (ø)

... and 8 files with indirect coverage changes

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