chore: add standard repo housekeeping files

[Copilot]

Bootstraps the repo with the standard set of community health and automation files required to operate professionally on GitHub.

Description

Community health files

• LICENSE — MIT
• CODE_OF_CONDUCT.md — Contributor Covenant v2.1
• CONTRIBUTING.md — dev setup, code style (black/flake8), and PR workflow
• CODEOWNERS — auto-assigns @YOUSEF-ysfxjo as reviewer on all changes

GitHub templates

• .github/ISSUE_TEMPLATE/bug_report.md — structured bug reports with env/repro fields
• .github/ISSUE_TEMPLATE/feature_request.md — feature request with problem/solution framing
• .github/pull_request_template.md — PR checklist enforcing tests, style, and docs

Automation

• .github/workflows/python-ci.yml — lint (flake8), format check (black), and pytest matrix across Python 3.10 & 3.11; job scoped to permissions: contents: read
• .github/dependabot.yml — weekly automated PRs for pip and github-actions dependencies

Related Issue

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactor / chore

How Has This Been Tested?

• Unit tests
• Integration tests
• Manual testing

Checklist

• My code follows the style guidelines of this project (black, flake8)
• I have performed a self-review of my own code
• I have added tests that prove my fix/feature works
• New and existing unit tests pass locally with my changes
• I have updated the documentation as necessary

Original prompt

Add standard housekeeping files to make the repository professional and consistent.

Files to add (create a new branch named housekeeping/add-standard-files and open a PR):

• README.md
• LICENSE (MIT)
• .gitignore (Python)
• .github/ISSUE_TEMPLATE/bug_report.md and feature_request.md
• .github/pull_request_template.md
• .github/workflows/python-ci.yml
• CONTRIBUTING.md, CODE_OF_CONDUCT.md, CODEOWNERS
• .github/dependabot.yml

Commit message: "chore: add standard repo housekeeping files"

This pull request was created from Copilot chat.

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