[release] signingConfig 설정 추가, proguard rule 추가 #137

# to view logs

	name: Android CI

	env:
	GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx4g -Dorg.gradle.daemon=false"
	GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

	on:
	pull_request:

	concurrency:
	group: build-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	ci-build:
	runs-on: ubuntu-latest

	if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-ci') }}

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Make gradlew executable
	run: chmod +x ./gradlew

	- name: Setup JDK 17
	uses: actions/setup-java@v3
	with:
	distribution: 'corretto'
	java-version: 17

	- name: Setup Android SDK
	uses: android-actions/setup-android@v2

	- name: Setup Gradle
	uses: gradle/gradle-build-action@v2
	with:
	gradle-home-cache-cleanup: true

	- name: Generate secrets.properties
	run: \|
	echo '${{ secrets.SECRETS_PROPERTIES }}' >> ./secrets.properties

	- name: Generate local.properties
	run: \|
	echo '${{ secrets.LOCAL_PROPERTIES }}' >> ./local.properties

	- name: Generate google-services.json
	run: echo '${{ secrets.GOOGLE_SERVICES }}' \| base64 --d > ./app/google-services.json

	- name: Code style checks
	run: ./gradlew ktlintCheck detekt

	- name: Run build
	run: ./gradlew buildDebug --stacktrace

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