Blog: Helm integration with odo (#6775)

* Blog: Helm integration with odo using deploy exec command

Signed-off-by: Parthvi Vala <[email protected]>

* Update docs/website/blog/deploy-and-connect-to-microservice-using-helm-and-exec.md

* Fix typos and mistake with the doc

Co-authored-by: Armel Soro <[email protected]>
Signed-off-by: Parthvi Vala <[email protected]>

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Signed-off-by: Parthvi Vala <[email protected]>
Co-authored-by: Armel Soro <[email protected]>