feat: add initial SystemischeTherapieMedicationStatementMapper #794

Job	Run time
build / build image	2m 59s
lint / CodeQL analyze (java)	2m 31s
lint / dependency review	7s
lint / verify Dockerfile base image signature	4s
lint / MegaLinter	2m 55s
lint / validate gradle wrapper	4s
build / image-provenance	0s
build / attest trivy vulnerability report	0s
build / sign image	0s
build / upload slsa attestations to release assets	0s
run k8s smoke test	2m 54s
add-test-coverage	8s
release / release	0s
	11m 42s

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