Add initial devcontainer configuration

[sonnyquinn24]

Closes:

[Copilot]

Pull Request Overview

Adds a basic development container configuration to enable consistent development environments across the project.

• Introduces initial devcontainer setup with Microsoft's universal development container image
• Provides foundation for standardized development environment

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[Copilot]

[nitpick] The empty features object should be removed if no features are needed, or populated with relevant features for this project's development requirements (e.g., Node.js, Python, or other language-specific tools).

Suggested change

	"image": "mcr.microsoft.com/devcontainers/universal:2",
	"features": {}
	"image": "mcr.microsoft.com/devcontainers/universal:2"