Add initial devcontainer configuration

[krishna-katekhaye-dev]

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[gemini-code-assist]

Summary of Changes

Hello @krishna-katekhaye-dev, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request establishes a foundational development container setup for the project. By adding a devcontainer.json file, it aims to provide a consistent and reproducible development environment for all contributors, streamlining onboarding and ensuring everyone works with the same toolchain and dependencies.

Highlights

• Devcontainer Configuration: Introduced an initial .devcontainer/devcontainer.json file to enable standardized development environments using VS Code Dev Containers.

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[gemini-code-assist]

Code Review

This pull request adds an initial devcontainer configuration. The setup is a good starting point, using the universal dev container image. I've provided a suggestion to include some common and useful features to make the development environment more capable from the outset.

[gemini-code-assist]

The features object is currently empty. While this is valid for an initial configuration, you could enhance the dev container's utility by adding some common features. For instance, including Docker-in-Docker support is highly beneficial if your workflow involves building or running other containers, and the GitHub CLI is useful for interacting with repositories directly from the container.

  "features": {
    "ghcr.io/devcontainers/features/docker-in-docker:2": {},
    "ghcr.io/devcontainers/features/github-cli:1": {}
  }

[kdroste-google]

@krishna-katekhaye-dev, it seems to me that not everyone wants to use Dev Containers. But perhaps you can share some information about it, including some recommendations in adk-docs or another community repository?