Create copilot-setup-steps workflow for dependency installation

[Copilot]

This PR adds a GitHub Actions workflow file .github/workflows/copilot-setup-steps.yml to support GitHub Copilot Coding Agent's development environment setup.

The workflow:

• Uses the required job name copilot-setup-steps for Copilot recognition
• Sets up Python 3.12 and installs flit build system
• Runs make install to install all project dependencies via flit
• Follows GitHub Actions best practices with minimal permissions (contents: read)
• Triggers on workflow dispatch and when the workflow file itself is modified
• Contains no comments as requested in the issue

The setup process has been tested and successfully installs all project dependencies including Django, django-ninja, pytest, and development tools.

Fixes #56.

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[Copilot]

Pull Request Overview

Adds a new GitHub Actions workflow to automate the Python development environment setup for the Copilot Coding Agent.

• Introduces .github/workflows/copilot-setup-steps.yml
• Triggers on workflow dispatch, push, and pull request changes to this file
• Sets up Python 3.12, installs flit, and runs make install with minimal permissions

Comments suppressed due to low confidence (1)

.github/workflows/copilot-setup-steps.yml:1

• [nitpick] Consider adding a concurrency configuration (e.g., concurrency with cancel-in-progress: true) to prevent duplicate workflow runs when multiple changes are pushed in quick succession.

name: "Copilot Setup Steps"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.73%. Comparing base (c701d5e) to head (d067b2e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #57   +/-   ##
=======================================
  Coverage   94.73%   94.73%           
=======================================
  Files          11       11           
  Lines         266      266           
=======================================
  Hits          252      252           
  Misses         14       14           

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[lucasrcezimbra]

pre-commit.ci autofix

[lucasrcezimbra]

Actually, it seems that flit is required:

This error is happening in the CI:

Run make install
flit install --deps develop --symlink
make: flit: No such file or directory
make: *** [Makefile:4: install] Error 127

• Fix the make install error
• add pre-commit install and pre-commit install-hooks to the make install
• Remove the 'Cache pip packages' for now, because it's breaking the CI.

[Copilot]

Actually, it seems that flit is required:

This error is happening in the CI:
...

Fixed all three issues: re-added flit installation to resolve the make install error, added pre-commit setup to the install target, and removed the problematic cache step. The workflow should now properly install all dependencies including flit and pre-commit tools. Commit 6c9a4cd

[lucasrcezimbra]

build/test using Python 3.8 is failing in the CI. Remove Python 3.8 from the CI since its end-of-life.

[Copilot]

build/test using Python 3.8 is failing in the CI. Remove Python 3.8 from the CI since its end-of-life.

Removed Python 3.8 from the CI matrix as it's end-of-life and causing build failures. Commit d067b2e