feat(doc):add troubleshooting doc for vmware based challenges

[gprasath]

Signed-off-by: gprasath giridhara.prasad@mayadata.io

• Added a doc with vmware troubleshooting content.
• Updated sidebar file accordingly.

The plan is to keep updating the challenges into this doc whenever we face any issues.

[ksatchit]

Nice, thanks @gprasath !