Migrate user-attachments images to local repository

[Copilot]

Replaces 12 GitHub user-attachments URLs with local image files to eliminate external dependency and ensure content availability.

Changes

• Added .github/images/ directory with 12 images using descriptive kebab-case names
  • example-profile-readme.png, code-tab-highlight.png, branch-selection-dropdown.png, etc.
• Updated all .github/steps/*.md files to use relative paths (../images/)
• Upgraded start-exercise workflow from v0.7.0 → v0.8.0 (required for relative link support)
• Preserved other external images (octodex) as absolute URLs

Example

Before:

![screenshot](https://github.com/user-attachments/assets/fdc3a590-0bab-4758-9aec-6fd93c1d81a6)

After:

![screenshot](../images/example-profile-readme.png)

All 12 image references across 4 step files updated consistently.

Original prompt

Image Migration Task: Migrate External Images to Local Repository

Objective

Migrate GitHub user-attachments image references to local repository files in .github/images/ with descriptive filenames and relative links.

Task Steps

1. Find All User-Attachments Image References

Search .github/steps/*.md files for user-attachments image URLs:

• https://github.com/user-attachments/assets/*

Important: Only migrate user-attachments images. Leave other external images (octodex, img.shields.io, etc.) as absolute URLs.

2. Create Images Directory

mkdir -p .github/images

3. Download and Rename Images

For each user-attachments image:

Download the image:

curl -L "<image-url>" -o ".github/images/<descriptive-name>.png"

Naming convention:

• Use kebab-case (lowercase with hyphens)
• Name based on content or alt text
• Keep it descriptive and clear
• Preserve original file extension

Examples:

• Alt text "search box with 'python' value" → python-search-box.png
• Alt text "target branch settings" → branch-protection-target-settings.png
• Generic "image" with button context → new-workflow-button.png

Do not download:

• Octodex images (octodex.github.com)
• Badge images (img.shields.io)
• Any other external hosted images

4. Update Markdown References

Replace user-attachments URLs with relative paths:

Find pattern:

src="https://github.com/user-attachments/assets/..."

Replace with:

src="../images/descriptive-filename.png"

Important:

• Preserve all other attributes (width, alt text, etc.)
• Do not change other external image URLs (octodex, shields.io, etc.) - keep them as absolute references

5. Verify Changes

• All user-attachments images downloaded successfully to .github/images/
• All filenames are descriptive (no generic names or UUIDs)
• All markdown files updated with relative paths for user-attachments images
• Relative paths are correct (../images/ from .github/steps/)
• No broken image links
• Zero net new files added (only images in .github/images/ should be new)
• Other external images (octodex, shields.io, etc.) remain as absolute URLs

6. Update start-exercise reusable workflow version

Update start-exercise reusable workflow that is used to v0.8.0 version which is the first release of exercise-toolkit that supports relative links.

Important: Only update the start-exercise version reference. Do not modify any other references to exercise-toolkit elsewhere in the repository.

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[Copilot]

Pull request overview

This PR successfully migrates 12 GitHub user-attachments image URLs to local repository files, eliminating external dependencies and ensuring content availability. The changes follow the repository's naming conventions and maintain proper file organization.

Changes:

• Added 12 images to .github/images/ directory with descriptive kebab-case filenames
• Updated 4 step files (.github/steps/*.md) to use relative paths instead of user-attachments URLs
• Upgraded start-exercise workflow from v0.7.0 to v0.8.0 to support relative links

Reviewed changes

Copilot reviewed 5 out of 17 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.github/workflows/0-start-exercise.yml	Updated workflow version from v0.7.0 to v0.8.0 for relative link support
.github/steps/1-create-a-branch.md	Replaced 4 user-attachments URLs with relative paths to local images
.github/steps/2-commit-a-file.md	Replaced 3 user-attachments URLs with relative paths to local images
.github/steps/3-open-a-pull-request.md	Replaced 3 user-attachments URLs with relative paths to local images
.github/steps/4-merge-your-pull-request.md	Replaced 2 user-attachments URLs with relative paths to local images
.github/images/*.png (12 files)	Added local image files with descriptive kebab-case names

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