ci: add database url env variable for sqlx #6

	name: Build and Test
	on:
	push:
	workflow_dispatch:

	jobs:
	fmt:
	runs-on: ubuntu-latest
	env:
	DATABASE_URL: sqlite://${{ github.workspace }}/examples/universe.db
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy, rustfmt
	- name: Formatting
	run: cargo fmt --check
	- name: Linting
	run: cargo clippy -- -D warnings
	- name: Build dev
	run: cargo build
	- name: Test dev
	run: cargo test
	- name: Build release
	run: cargo build
	- name: Test release
	run: cargo test

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