Document the OpenSearch operator #41

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	4s
Run Cargo Udeps	1m 57s
Run Clippy	45s
Run Cargo Tests	34s
Run Rustfmt	13s
Run RustDoc	1m 21s
Check if committed Helm charts are up to date	49s
Check if committed README is the one we would render from the available parts	25s
Run Cargo Deny (advisories)	51s
Run Cargo Deny (bans licenses sources)	42s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 49s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 8s
Build and publish manifest list	37s
Run the OpenShift Preflight check on the published images	22s
	29m 41s

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