Add Azure Functions (Go) template

[shibayan]

This pull request introduces a new Dev Container Template for Azure Functions using Go. It adds all necessary configuration files, documentation updates, and testing scripts to support Go-based Azure Functions development in a consistent containerized environment.

New Azure Functions (Go) Dev Container Template:

• Added a new template directory src/azure-functions-go with configuration files for Dev Containers, including Dockerfile, devcontainer.json, docker-compose.yml, and devcontainer-template.json, enabling Go development for Azure Functions with customizable Go and Azure Functions CLI versions. [1] [2] [3] [4]

Documentation and Workflow Updates:

• Updated README.md to include the new Azure Functions (Go) template with supported Go versions.
• Modified the test workflow .github/workflows/test-pr.yml to add a filter for the new azure-functions-go directory, ensuring CI coverage.

Dependency Management and Testing:

• Added a Dependabot configuration for the new template to automate dependency updates for Dev Containers.
• Introduced a basic test script test/azure-functions-go/test.sh to validate the Go template setup.

[Copilot]

Pull request overview

This PR adds a new Azure Functions (Go) Dev Container Template to the template collection, with CI/test wiring and README visibility alongside the existing language-specific Azure Functions templates.

Changes:

• Adds the azure-functions-go template files, including dev container configuration, Docker Compose with Azurite, and template metadata/options.
• Adds CI path filtering and a smoke test script for the new template.
• Updates README to list Azure Functions (Go) and supported Go versions.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/azure-functions-go/.devcontainer/devcontainer.json	Defines the Go/Azure Functions dev container features and VS Code customizations.
src/azure-functions-go/.devcontainer/Dockerfile	Uses the shared base dev container image.
src/azure-functions-go/.devcontainer/docker-compose.yml	Adds the app and Azurite services.
src/azure-functions-go/devcontainer-template.json	Adds template metadata and configurable Go/Core Tools versions.
src/azure-functions-go/.github/dependabot.yml	Enables Dependabot updates for the template.
test/azure-functions-go/test.sh	Adds smoke checks for Go and Azure Functions Core Tools.
.github/workflows/test-pr.yml	Includes the new template in PR change detection.
README.md	Lists the new Go Azure Functions template.

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