[refactor] Fix pyproject.yaml, type of Metric #8

	name: Build and Deploy Documentation

	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'
	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[docs]
	- name: Copy Examples to Docs
	run: \|
	cp -r examples/ docs/examples/
	- name: Build and Deploy
	run: \|
	mkdocs build
	# Add deployment step if needed

	## todo: fix once repo is open and docs are hosted

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