Backport "docs: Extend the documentation for OpenSearch Dashboards" #237

Job	Run time
Run Cargo Udeps	1m 58s
Run RustDoc	1m 15s
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run Rustfmt	12s
Run Cargo Deny (bans licenses sources)	45s
Run Cargo Deny (advisories)	47s
Run Clippy	30s
Check if committed README is the one we would render from the available parts	30s
Check if committed Helm charts are up to date	37s
Run Cargo Tests	35s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubuntu-latest	10m 57s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 20s
Build and publish manifest list	46s
Run the OpenShift Preflight check on the published images	17s
	28m 36s

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