refactor: selected return 값 보장을 위한 타입 강제 변경 및 변수 네이밍 수정 #41

	# Workflow name
	name: 'Chromatic Deployment'

	# Event for the workflow
	on: push

	# List of jobs
	jobs:
	test:
	# Operating System
	runs-on: ubuntu-latest
	# Job steps
	steps:
	- uses: actions/checkout@v1
	- run: yarn
	#👇 Adds Chromatic as a step in the workflow
	- uses: chromaui/action@v1
	# Options required for Chromatic's GitHub Action
	with:
	#👇 Chromatic projectToken, see https://storybook.js.org/tutorials/intro-to-storybook/react/ko/deploy/ to obtain it
	projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
	token: ${{ secrets.GITHUB_TOKEN }}

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