Cleanup hugo from devcontainer

[KittyChiu]

What changed

This pull request updates the development container configuration to use newer base images and features, and removes custom Go proxy and linter setup in favor of a simplified environment. The main changes focus on modernizing the development environment and removing custom Go-related tooling and configuration.

Development environment updates:

• Updated the dev container base image to ubuntu24.04 and switched to the latest Node.js feature (node:2).
• Added recommended VS Code extensions for TOML and Hugo, and removed the Go extension from the recommended list.

Go tooling and configuration cleanup:

• Removed the Go proxy and Go linter features, as well as related environment variables and custom initialization scripts (on-create-command.sh was deleted). [1] [2] [3]
• Removed custom Go linter flags from VS Code settings.
• Removed Codespaces repository permissions configuration for Go linter and features.

Why

Type of change

• Content Library article
• Website code change
• Documentation update
• Other:

Contributors checklist

• For Content Library changes: file name, directory, front matter, and writing style are appropriate
• For website code changes: code standards, tests, dependencies, logging/debugging, and LICENSE impact were considered
• For documentation updates: content is clear, accurate, consistent, and proofread
• Related issue, discussion, or Content Request is linked, if applicable

Notes for reviewers

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[Copilot]

Pull request overview

Modernizes and simplifies the Hugo development container.

Changes:

• Updates Ubuntu and Node.js container components.
• Removes custom Go proxy and lint configuration.
• Adds Hugo/TOML extensions and ignores generated lockfiles.

Show a summary per file

File	Description
.gitignore	Ignores the dev container lockfile.
.devcontainer/on-create-command.sh	Removes obsolete Go initialization.
.devcontainer/devcontainer.json	Modernizes and simplifies container configuration.

Review details

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• Files reviewed: 2/3 changed files
• Comments generated: 1
• Review effort level: Medium