Add missing migration & CI check for forgotten migrations #5

	name: Make sure to run manage.py makemigrations if you change models

	on: [pull_request]

	jobs:
	is-migration-diff-clean:
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgres:latest
	env:
	POSTGRES_DB: nycmesh-dev
	POSTGRES_USER: nycmesh
	POSTGRES_PASSWORD: abcd1234
	POSTGRES_PORT: 5432
	ports:
	- 5432:5432
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.11'
	- name: "Upgrade pip"
	run: "pip install --upgrade pip"
	- name: "Install package"
	run: pip install ".[dev]"
	- name: "You forgot to run manage.py makemigrations for model changes"
	run: \|
	python src/manage.py makemigrations --dry-run # Run extra time for debug output
	python src/manage.py makemigrations --dry-run \| grep 'No changes detected'

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