feat: initial draft of the exercise

[FidelusAleksander]

Summary

Initial draft of the exercise

Changes

Closes:

Task list

• For workflow changes, I have verified the Actions workflows function as expected.
• For content changes, I have reviewed the style guide.

[Copilot]

Pull Request Overview

This pull request sets up an initial draft for the extracurricular activities exercise by introducing the FastAPI backend, a static frontend, comprehensive documentation, and multi-step GitHub Actions workflows to guide participants through the exercise.

• Introduces a FastAPI backend (src/app.py) providing activities data and signup functionality.
• Implements a client-side script (src/static/app.js) to display activities and handle signups.
• Adds detailed documentation and a series of GitHub Actions workflows and step files to drive the exercise flow.

Reviewed Changes

Copilot reviewed 16 out of 20 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/static/app.js	Implements DOM interaction for loading activities and signing up.
src/app.py	Provides a simple FastAPI app with activity listing and signup.
src/README.md	Documents the API endpoints for the school activities.
README.md	Guides integration of MCP with GitHub Copilot for the exercise.
.github/workflows/* and .github/steps/*	Define exercise steps and workflow automation using GitHub Actions.

Files not reviewed (4)

• .devcontainer/devcontainer.json: Language not supported
• .vscode/launch.json: Language not supported
• src/static/index.html: Language not supported
• src/static/styles.css: Language not supported

[Copilot]

The signup endpoint does not check whether the activity has already reached its maximum number of participants before adding a new signup. Consider verifying the available spots before appending the email.