[FE] feat: 에러, 로딩 페이지 구현 및 적용 #49

	name: Build test with Webpack
	on:
	pull_request:
	branches:
	- develop
	paths:
	- "frontend/**"
	workflow_dispatch:
	permissions:
	contents: read
	pages: write
	id-token: write
	concurrency: # NOTE: action 도중 새 PR이 올라오면 기존 action 취소
	group: "ci-group"
	cancel-in-progress: true
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout to current repository
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: "yarn"
	cache-dependency-path: ./frontend/yarn.lock

	- name: Create .env file
	run: echo "API_BASE_URL=${{ secrets.API_BASE_URL }}" > ./frontend/.env

	- name: Set environment file permissions
	run: chmod 644 ./frontend/.env

	- name: Install dependencies
	run: yarn install --frozen-lockfile
	working-directory: frontend

	- name: Run tests
	run: yarn test
	working-directory: frontend

	- name: Build
	run: yarn build
	env:
	API_BASE_URL: ${{ secrets.API_BASE_URL }}
	working-directory: frontend

Provide feedback