Top-level cleanup: move examples/gradio and add scripts

[cyberviser]

Summary

• Moves gradio/ from repository root → examples/gradio/ for better organization
• Adds scripts/migrate-top-level.sh helper for future top-level migrations
• Adds examples/README.md and scripts/README.md documentation

install.sh intentionally remains at the repository root to preserve the curl | sh installer behavior.

Test plan

• Verify install.sh still works at repo root
• Verify examples/gradio/ has all files previously at gradio/
• Run scripts/migrate-top-level.sh (dry-run) and confirm no errors

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR reorganizes repository structure by moving the gradio/ directory into examples/gradio/ and adding helper scripts and documentation for future migrations.

Changes:

• Moved gradio/ from repository root to examples/gradio/ (appears as a subproject)
• Added migration script scripts/migrate-top-level.sh with dry-run capability
• Added documentation files: scripts/README.md, examples/README.md, .github/copilot-instructions.md, .github/agents/infra-strategist.agent.md
• Added devcontainer configuration

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
scripts/migrate-top-level.sh	Migration helper script for moving directories with git history preservation
scripts/README.md	Brief documentation for the scripts directory
examples/gradio	Gradio directory now appears as a git submodule
examples/README.md	Documentation explaining the examples directory structure
PULL_REQUEST_DRAFT.md	Draft PR documentation with patch application instructions
.github/copilot-instructions.md	Repository guide for GitHub Copilot CLI usage
.github/agents/infra-strategist.agent.md	Agent configuration for infrastructure strategy assistance
.devcontainer/devcontainer.json	Dev container configuration with required extensions

Comments suppressed due to low confidence (1)

examples/gradio:1

• The gradio directory is now a git submodule, but neither the PR description nor the examples/README.md mentions this significant architectural change. This should be clearly documented as it affects how contributors clone and update the repository.

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[Copilot]

The patch file path contains a session-specific UUID that appears to be temporary and environment-specific. This makes the documentation less useful as the path won't exist for other users. Consider either removing this file from the PR or updating it with a generic placeholder path.

Suggested change

	/home/vscode/.copilot/session-state/499fa254-c980-4afc-9b7c-4264fb5e64e5/patches/top-level-cleanup.patch
	How to apply the patch locally (if you prefer to push from your environment):
	git checkout -b copilot/philosophical-cattle
	git am /home/vscode/.copilot/session-state/499fa254-c980-4afc-9b7c-4264fb5e64e5/patches/top-level-cleanup.patch
	/path/to/top-level-cleanup.patch
	How to apply the patch locally (if you prefer to push from your environment):
	git checkout -b copilot/philosophical-cattle
	git am /path/to/top-level-cleanup.patch