Add git precommit hook and github actions #3

	name: PR Checks

	on:
	pull_request:
	types: [opened, synchronize, reopened]
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'temurin'
	cache: gradle

	- name: Cache clang-format
	uses: actions/cache@v3
	id: clang-cache
	with:
	path: /usr/local/clang-20.1.5
	key: clang-format-20.1.5

	- name: Install clang-format 20.1.5 (via apt.llvm.org)
	run: \|
	sudo apt update
	sudo apt install -y wget gnupg software-properties-common
	wget https://apt.llvm.org/llvm.sh
	chmod +x llvm.sh
	sudo ./llvm.sh 20
	sudo apt install -y clang-format-20
	sudo ln -sf /usr/bin/clang-format-20 /usr/local/bin/clang-format
	clang-format --version

	- name: Verify clang-format installation
	run: \|
	clang-format --version
	if [ $? -ne 0 ]; then
	echo "❌ clang-format installation failed"
	exit 1
	fi

	- name: Grant execute permission for gradlew
	run: chmod +x gradlew

	- name: Run spotlessCheck
	run: \|
	echo "Running spotlessCheck..."
	./gradlew spotlessCheck
	if [ $? -ne 0 ]; then
	echo "❌ spotlessCheck failed. Please run './gradlew spotlessApply' locally to fix formatting issues."
	exit 1
	fi

	- name: Run detekt
	run: \|
	echo "Running detekt..."
	./gradlew detekt
	if [ $? -ne 0 ]; then
	echo "❌ detekt found code style issues. Please fix them locally."
	exit 1
	fi

	- name: Run unit tests
	run: \|
	echo "Running unit tests..."
	./gradlew testDebugUnitTest
	if [ $? -ne 0 ]; then
	echo "❌ Unit tests failed. Please fix the failing tests locally."
	exit 1
	fi

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