Rename expenses.md to README.md #2096

	name: Checking site build

	on:
	pull_request:

	jobs:
	mkdocs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- uses: snok/install-poetry@v1
	with:
	version: 1.3.2
	- name: Run mkdocs to check build.
	env:
	GH_TOKEN: ${{ secrets.GH_TOKEN }}
	run: ./.config/mkdocs/mkdocs.sh

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