Add batch creation logic for the reminder service #5270

Job	Run time
compose-migrate / docker	1m 47s
build / Verify build	1m 10s
image-build / Build Helm chart	1m 57s
image-build / Check docker image build	1m 26s
image-build / Image build	1m 55s
license-check / License boilerplate check	13s
lint / Uncommitted changes check - go mod tidy & make gen	3m 0s
lint / Run golangci-lint	2m 17s
security / Code Security Scan	18s
security / Helm Security Scan	12s
test / Authz tests	2m 34s
test / Coverage	7m 1s
test / Unit testing	6m 41s
	30m 31s

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