Create Maester Actions dev container

[SamErde]

Description

This pull request adds a new development container configuration to the project, making it easier for developers to set up a consistent development environment using VS Code Dev Containers or GitHub Codespaces.

Development environment setup:

• Added .devcontainer/devcontainer.json to define a Node.js-based container image, include PowerShell features and modules, forward common development ports, and configure recommended VS Code extensions and settings for the project.

Your checklist for this pull request

🚨Please review the guidelines for contributing to this repository.

• Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your main branch!
• Make sure you are making a pull request against the main branch (left side). Also you should start your branch off maester-action/main.
• Check the commit's or even all commits' message styles matches our requested structure.
• Enable the checkbox to allow maintainer edits so the branch can be updated for a merge.
• If changing anything in the action, make sure it still works and is backward compatible.

Review

We will try to review your pull request as soon as possible.

💖 Thank you!

[Copilot]

Pull Request Overview

This PR adds a development container configuration to enable consistent development environments for the Maester Action project. The devcontainer uses a Node.js 18 base image with PowerShell support and includes necessary tools for the project.

• Configures a devcontainer with Node.js 18 and PowerShell with required modules
• Sets up VS Code extensions and settings for an optimal development experience
• Configures port forwarding and network settings for the development environment

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.