Update Readme for Monitoring solution

[KwachSean]

Update Readme for Monitoring solution,
adding links to Technical community Blog for Audit Workbook and logs
providing additional screen shots to help with deployment
This pull request includes updates to the Monitoring/IngestSecurityCopilotAuditlogs/README.md file to enhance the documentation and provide additional resources. The most important changes involve updating the title, adding a technical community blog link, and including images for better visual guidance.

Documentation updates:

• Updated the title to "Ingest Microsoft Security Copilot Audit logs and Deploy Audit Workbook" and added a link to a technical community blog for additional resources.
• Clarified the sign-in step by changing "Sign in to Security Copilot" to "Sign in to Microsoft Security Copilot".
• Added images to the sections for deploying analytical rules and workbooks to provide visual guidance.

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