Add AM dataset - CDCP

[idalr]

As described in #10, we work on CDCP, an argumentation mining dataset.

Specifically for the CDCP dataset, we add:

• PIE dataset builder: pie/cdcp.py
• dataset cards: HF/README.md and pie/README.md files. EDIT: the HF dataset cards lives here
• test file: tests/dataset_builders/pie/test_cdcp.py

[ArneBinder]

early feedback

EDIT: Please also remove dataset_builders/hf/cdcp again, this is not so important for now. But please still create the Huggingface dataset card for DFKI-SLT/cdcp at the Huggingface Hub.

[ArneBinder]

Some more feedback. There are still several files in the diff that shouldn't be listed there:

• the poetry.lock should now be again the original
• please remove the __init__.py files anywhere in dataset_builders
• document/types.py: most of the classes are not used at all. For classes, that are just used in the tests, define them just there.

[ArneBinder]

Some ideas for improvement and how-to increase test coverage

Background:

• the test coverage should be as high as possible
• source code lines that are new in this PR, but not covered by any test execution are marked by the Codecov Bot (box with yellow and named "Codecov / codecov/patch") in the diff view

[codecov]

Codecov Report

Merging #15 (4f74a05) into main (d887d18) will increase coverage by 0.39%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #15      +/-   ##
==========================================
+ Coverage   92.53%   92.93%   +0.39%     
==========================================
  Files          16       17       +1     
  Lines        1206     1274      +68     
==========================================
+ Hits         1116     1184      +68     
  Misses         90       90              

Files	Coverage Δ
dataset_builders/pie/cdcp/cdcp.py	100.00% <100.00%> (ø)
src/pie_datasets/document/types.py	100.00% <100.00%> (ø)

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[ArneBinder]

This is a review just for the code for now. I will review the readmes separately.

[ArneBinder]

Feedback for the readmes.