Add CLePAPS structural alphabet #559

Job	Run time
Generate wheels matrix	11s
Check code style	14s
Test interfaces to databases and applications	7m 9s
Build source distribution	26s
Build & Test (cp310-manylinux_x86_64, ubuntu-latest)	12m 26s
Build & Test (cp311-manylinux_x86_64, ubuntu-latest)	12m 7s
Build & Test (cp312-manylinux_x86_64, ubuntu-latest)	11m 48s
Build & Test (cp313-manylinux_x86_64, ubuntu-latest)	10m 2s
Build & Test (cp310-macosx_x86_64, macos-latest)	1s
Build & Test (cp310-macosx_arm64, macos-latest)	1s
Build & Test (cp311-macosx_x86_64, macos-latest)	1s
Build & Test (cp311-macosx_arm64, macos-latest)	1s
Build & Test (cp312-macosx_x86_64, macos-latest)	1s
Build & Test (cp312-macosx_arm64, macos-latest)	1s
Build & Test (cp313-macosx_x86_64, macos-latest)	1s
Build & Test (cp313-macosx_arm64, macos-latest)	1s
Build & Test (cp310-win_amd64, windows-latest)	14m 12s
Build & Test (cp311-win_amd64, windows-latest)	12m 59s
Build & Test (cp312-win_amd64, windows-latest)	10m 17s
Build & Test (cp313-win_amd64, windows-latest)	9m 48s
Build documentation	0s
Compile the CCD subset for structure.info from the wwPDB CCD	0s
Run benchmarks	0s
Test interface to Muscle 5	0s
Upload documentation to GitHub Releases	0s
Upload package to GitHub Releases & PyPI	0s
	1h 41m 47s

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