Core: Added base files + custom errors

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Commits
Files that changed from the base of the PR and between 603146593a2c78a03e57f62c86ab490b1238c7fe and 811550a457afac6f4347f5e476dbd94793fc0b1e.

Walkthrough

The changes introduce configurations for linting, testing, and error handling in a Flask project. New files include .flake8, GitHub Actions workflow, .gitignore, pre-commit hooks, and various scripts for version checking and commit message linting. Error handling classes and tests for Flask applications are also added. These updates aim to enhance code quality, streamline development processes, and ensure robust error management.

Changes

Files/Paths	Change Summary
`.flake8`, `.pre-commit-config.yaml`	Configuration for Flake8 linter and pre-commit hooks, including updates to linting tools and adding new hooks.
`.github/workflows/tests.yml`	GitHub Actions workflow for running tests on pull requests and pushes to the `main` branch.
`.gitignore`, `pyproject.toml`, `tox.ini`	Git and project configuration files for ignoring specific files, setting up project metadata, and defining test environments.
`README.md`, `flask_utils/__init__.py`	Introduced Flask utilities and error handling functions/classes.
`flask_utils/errors/...`	Added various error handling classes and functions for different HTTP errors.
`pytest.ini`, `requirements-dev.txt`, `requirements.txt`	Configuration for pytest and development dependencies.
`scripts/check_version.py`, `scripts/lint-commit.sh`	Scripts for checking version increments and linting commit messages.
`tests/conftest.py`, `tests/test_erorr_handlers.py`	Fixtures and test cases for error handling in Flask applications.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant FlaskApp
    participant ErrorHandler
    participant TestSuite

    User->>FlaskApp: Sends Request
    FlaskApp->>ErrorHandler: Triggers Error
    ErrorHandler->>FlaskApp: Returns Error Response
    FlaskApp->>User: Sends Error Response

    TestSuite->>FlaskApp: Run Tests
    FlaskApp->>ErrorHandler: Simulate Error
    ErrorHandler->>TestSuite: Returns Test Result
    TestSuite->>TestSuite: Validate Results

Poem

In the land of code, a rabbit hops, With linting tools and error stops. Testing flows with every push, Ensuring code has that perfect hush. 🐰✨ In Flask's embrace, errors tamed, A joyful dance, in code proclaimed.

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Seluj78 / flask-utils