Document the OpenSearch operator (#14) #44

Job	Run time
Run Cargo Deny (advisories)	42s
Run Cargo Udeps	1m 53s
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run Cargo Deny (bans licenses sources)	46s
Run Rustfmt	12s
Run RustDoc	1m 17s
Run Cargo Tests	40s
Run Clippy	31s
Check if committed README is the one we would render from the available parts	30s
Check if committed Helm charts are up to date	39s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 28s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 14s
Build and publish manifest list	41s
Run the OpenShift Preflight check on the published images	15s
	28m 55s

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