Add initial devcontainer configuration

[avondenstein0216-GPT]

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[Copilot]

Pull Request Overview

This PR adds a minimal devcontainer configuration to enable development container support for the project. However, the configuration is incomplete for this Next.js/TypeScript project.

• Adds .devcontainer/devcontainer.json with a basic universal image
• The configuration lacks Node.js and pnpm setup required for the project's development environment
• Missing essential features and post-creation commands for a functional Next.js development container

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[Copilot]

The empty features object should include Node.js configuration for this Next.js project. Consider adding Node.js feature:

"features": {
  "ghcr.io/devcontainers/features/node:1": {
    "version": "20"
  }
}

This ensures the devcontainer has the required Node.js runtime matching the project's dependency on @types/node": "20".

Suggested change

	"features": {}
	"features": {
	"ghcr.io/devcontainers/features/node:1": {
	"version": "20"
	}
	}

[Copilot]

The devcontainer configuration is missing setup for pnpm, which is the package manager specified in package.json (line 26). Consider adding a postCreateCommand to install pnpm:

"postCreateCommand": "npm install -g [email protected]"

Alternatively, you could use the pnpm feature if available, or include it in the Node.js feature configuration.

Suggested change

	"features": {}
	"features": {},
	"postCreateCommand": "npm install -g [email protected]"