dev: format changed files on push

.flake8

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+[flake8]
+max-line-length = 88
+extend-ignore = E203, E501

.pre-commit-config.yaml

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+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.2.0
+  hooks:
+  - id: trailing-whitespace
+  - id: end-of-file-fixer
+  - id: mixed-line-ending
+  - id: check-json
+  - id: check-toml
+  - id: check-yaml
+  - id: check-merge-conflict
+  - id: debug-statements
+  - id: name-tests-test
+- repo: local
+  # run all of these hooks from the Poetry versions
+  hooks:
+  - id: isort
+    name: isort
+    entry: python3 -m isort
+    language: system
+    types: [python]
+    require_serial: true
+  - id: black
+    name: black
+    entry: python3 -m black
+    language: system
+    types: [python]
+    require_serial: true
+  - id: flake8
+    name: flake8
+    entry: python3 -m flake8
+    language: system
+    types: [python]
+    require_serial: true

CONTRIBUTING.md

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+# Contributing
+
+## Technical Notes
+
+Please install our pre-commit scripts to ensure your code is properly formatted.
+
+```bash
+python3 -m pip install pre-commit black flake8 isort
+pre-commit install
+```

fogros2/requirements-dev.txt

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+black
+flake8
+isort