Add comprehensive README documentation for Workday ESS scenarios

[vedikagupta24microsoft]

Summary

Adds README documentation for all Workday Employee Self-Service scenarios to help customers understand, configure, and customize each topic.

Changes

Employee Scenarios (7 READMEs added)

• EmployeeGetVacationBalance - View time off plan balances
• WorkdayEmployeeRequestTimeOff - Submit time off requests
• WorkdayEmployeesviewtheirjobtaxonomy - View job title, profile, and family
• WorkdayGetContactInformation - View work and personal contact details
• WorkdayGetEducation - View education history
• WorkdayGetGovernmentIDs - View government identification documents
• WorkdayGivePeerFeedback - Send feedback to colleagues

Manager Scenarios (4 READMEs added)

• WorkdayManagersdirect-CompanyCode - View direct reports' company codes
• WorkdayManagersdirect-CostCenter - View direct reports' cost centers
• WorkdayManagersdirect-Jobtaxanomy - View direct reports' job taxonomy
• WorkdayManagerServiceAnniversary - View direct reports' service anniversaries

README Structure

Each README includes:

• Overview and features
• Files in the folder (with notes on shared templates where applicable)
• Prerequisites (global variables, API details)
• Workflow diagram (ASCII)
• Trigger phrases
• Data retrieved and XML template parameters
• Example interactions
• Setup instructions
• Dependencies
• Model instructions (valid/invalid request examples)
• Output type definitions
• Customization guide (for write operations only)

Why

Customers installing these scenarios need documentation to understand:

• What each topic does
• How to configure and deploy it
• What data is retrieved/submitted
• How to test with sample prompts

[vedikagupta24microsoft]

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