Add GitHub Actions workflow to run tests

[Copilot]

This PR adds a GitHub Actions workflow that automatically runs the project's test suite on push and pull request events to the main branch.

Changes Made

• Created .github/workflows/test.yml with a comprehensive test workflow
• Configured the workflow to trigger on:
  • Push events to main and master branches
  • Pull request events targeting main and master branches
• Set up Go 1.22 environment using the latest GitHub Actions
• Added steps for dependency download and test execution with verbose output

Workflow Configuration

The workflow uses standard GitHub Actions for Go projects:

- uses: actions/checkout@v4          # Latest checkout action
- uses: actions/setup-go@v5          # Latest Go setup action
  with:
    go-version: '1.22'               # Matches go.mod requirement

The test execution uses go test -v ./... to run all tests across the project with verbose output, ensuring comprehensive coverage of:

• internal/config package tests (bridge and games configuration)
• internal/mcp package tests (game commands and multi-game mirroring)

Benefits

• Automated test execution on every code change
• Early detection of regressions and breaking changes
• Consistent test environment across different machines
• Clear visibility of test results in pull requests
• Supports both main and master branch naming conventions for compatibility

The workflow has been validated locally and all existing tests pass successfully.

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