add faq cluster bootstrapping

[AlvinRamoutar]

What this PR does / why we need it

Adding cluster bootstrapping FAQ along with workaround for a common Windows bootstrapping error.

Details for the Release Notes (PLEASE PROVIDE)

- Creating new FAQ cluster bootstrapping subpage
- Adding new FAQ cluster bootstrapping entry for x509: certificate signed by unknown authority when downloading TKG compatibility file error on Windows

Which issue(s) this PR addresses

Addresses: #1398 , #2139

Describe testing done for PR

Tested FAQ successfully on a Windows 10 x64 and Windows Server 2019 x64 host.

[vmwclabot]

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[github-actions]

Hi @AlvinRamoutar! And thank you for opening your first Pull Request. Someone will review it soon. Thank you for committing to making Tanzu Community Edition better.

[jpmcb]

Hi @AlvinRamoutar! Thanks for opening your first PR and diving head first into this issue! Looks like there are some markdown lint problems. You can run the markdown lint script locally from the root of the repository via while iterating

make mdlint

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I'll leave it up to @kcoriordan regarding the formatting and new TOC section

[jpmcb]

Fixes: #1398

I don't believe we want that issue to be resolved by this PR. #1398 tracks the original problem when bootstrapping clusters (and captures the now documented workaround from this PR), but we should keep it open so that we can track fixing the root issue

[vmwclabot]

@AlvinRamoutar, VMware has approved your signed contributor license agreement.

[AlvinRamoutar]

Fixes: #1398

I don't believe we want that issue to be resolved by this PR. #1398 tracks the original problem when bootstrapping clusters (and captures the now documented workaround from this PR), but we should keep it open so that we can track fixing the root issue

Agreed. thanks for highlighting this.
I've updated PR OP to 'addresses' rather than fixes.

[AlvinRamoutar]

Updated based on mdlint result, please review once more @jpmcb

[jpmcb]

LGTM! I'll leave it to @kcoriordan to comment on the new TOC and top level page

[kcoriordan]

LGTM - thanks @AlvinRamoutar