Inherit from pathlib_abc.ReadablePath and pathlib_abc.WritablePath

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Replacement for #270.

This PR will close #114, close #193, close #221 and close #245

As we're moving closer to the Python3.14 release, I should try to get this finally completed.

TODOs:

• ./test_registry.py
• ./pathlib/test_pathlib_310.py 23 test on windows
• ./pathlib/test_pathlib_39.py 23 test on windows
• ./pathlib/test_pathlib_311.py 23 test on windows
• ./pathlib/test_pathlib_312.py 23 test on windows
• ./test_core.py
• ./test_stat.py
• ./third_party/test_pydantic.py
• ./implementations/test_smb.py
• ./implementations/test_github.py
• ./implementations/test_gcs.py
• ./implementations/test_webdav.py
• ./implementations/test_http.py
• ./implementations/test_memory.py
• ./implementations/test_local.py
• ./implementations/test_data.py
• ./implementations/test_azure.py
• ./implementations/test_hdfs.py ignored for now
• ./implementations/test_s3.py
• ./implementations/test_sftp.py
• typesafety
• minversion checks

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Almost there. Some windows path handling, 2 macos-3.9 http tests and the typesafety checks...

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Just missing the typechecking and then this can be merged 🎉

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