Add documentation for unique modifier, clean up documentation #90

	name: CI Pipeline

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	integration_tests:
	runs-on: ubuntu-latest

	services:
	postgres:
	image: postgres:latest
	env:
	POSTGRES_DB: postgres
	POSTGRES_PASSWORD: postgres
	POSTGRES_USER: postgres
	ports:
	- 5432:5432
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5

	steps:
	- uses: actions/checkout@v3
	- name: Start postgres service
	run: \|
	sudo systemctl start postgresql.service
	- name: Run tests release
	run: \|
	cargo test --release --verbose

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