PureStorage FlashBlade Integration

[skeerthivasan]

Change(s):
Addition of playbooks, parser and analytic rules for Pure Storage FlashBlade Solutions

Reason for Change(s):
Addition of playbooks, parser and analytic rules for Pure Storage FlashBlade Solutions

Version Updated:
Yes

Testing Completed:
Yes

Checked that the validations are passing and have addressed any issues that are present:
Yes

[singhs72]

@v-prasadboke Hope you are doing well!
Just following up on the review request. Please let us know if anything is required from our end.
The PR includes Microsoft Sentinel parsers and playbooks to automate responses to alerts on our on-premises Pure Storage FlashBlade.
We previously had a similar pull request approved for Pure Storage FlashArray.