feat: add Clas12Reader clara IO service, for EVIO/HIPO #2019

Job	Run time
build (macos-latest)	3m 48s
java_matrix	2s
download_test_data	5s
build (ubuntu-latest)	2m 55s
unit_tests (21)	3m 17s
unit_tests (25)	3m 5s
test_run-groovy	31s
test_clara	4m 24s
dependency_analysis	1m 7s
spotbugs	7m 47s
test_coatjava (ubuntu-latest, eb-epc)	2m 9s
test_coatjava (ubuntu-latest, eb-ep)	2m 10s
release_build	0s
test_coatjava (ubuntu-latest, kpp)	3m 35s
test_coatjava (ubuntu-latest, eb-eg)	2m 25s
test_coatjava (ubuntu-latest, eb-enc)	2m 12s
test_coatjava (ubuntu-latest, eb-eftpi)	2m 20s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	3m 33s
test_decoder	2m 26s
generate_documentation	1m 39s
deploy_web_pages	-1s
final	5s
	49m 34s

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