add examples of configuration for virtualmcp

[yrobla]

Large PR Justification

This PR contains a complete set fo examples on how to configure virtualmcp. The size of the PR is huge because it's a compilation of all possible configurations.

[github-actions]

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## Large PR Justification

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.34%. Comparing base (7111097) to head (e0f8fb3).
⚠️ Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2900      +/-   ##
==========================================
- Coverage   56.34%   56.34%   -0.01%     
==========================================
  Files         323      323              
  Lines       31640    31640              
==========================================
- Hits        17828    17826       -2     
- Misses      12287    12289       +2     
  Partials     1525     1525              

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[Copilot]

Pull request overview

This PR adds comprehensive configuration examples for VirtualMCPServer (vMCP), demonstrating various authentication modes, conflict resolution strategies, and composite tool workflows. The examples progress from simple to complex configurations, showing different patterns for aggregating multiple MCP backend servers.

Key Changes:

• Added 6 example YAML files covering simple, production, and advanced VirtualMCPServer configurations
• Demonstrated three conflict resolution strategies (prefix, priority, manual) for handling tool name conflicts
• Included composite tool examples (simple sequential and complex DAG-based workflows)

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
vmcp_simple_discovered.yaml	Basic VirtualMCPServer with discovered auth mode and anonymous incoming auth
vmcp_production_full.yaml	Production configuration with OIDC authentication, LoadBalancer service, and custom pod resources
vmcp_inline_backend_auth.yaml	Demonstrates inline OIDC configuration for incoming authentication with Cedar policies
vmcp_conflict_resolution.yaml	Shows all three conflict resolution strategies (prefix, priority, manual) side-by-side
composite_tool_simple.yaml	Simple composite tool with sequential steps and dependency management
composite_tool_complex.yaml	Advanced composite tool with parallel execution, conditional logic, and complex workflows

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Large PR justification has been provided. Thank you!

[github-actions]

✅ Large PR justification has been provided. The size review has been dismissed and this PR can now proceed with normal review.

[yrobla]

merging as it's not changing any code and the failures are not related