chore: Update README.md

[rachana-visavadiya]

https://rocketchat.atlassian.net/browse/DOCS-842

Proposed changes (including videos or screenshots)

Updating the official ReadMe content.

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[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is targeting the wrong base branch. It should target 7.11.0, but it targets 7.10.0

Please fix the issues and try again

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Latest commit: b967af7

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[CLAassistant]

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