Misc improvements + CI/CD fix #4

	name: Nullgram Deployment

	on:
	push:
	branches:
	- master

	permissions:
	actions: write

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

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

	- name: Set up Java
	uses: actions/setup-java@v4
	with:
	java-version: "21"
	distribution: "corretto"

	- name: Decode keystore
	run: \|
	echo "$ANDROID_KEYSTORE_BASE64" \| base64 --decode > keystore.jks
	env:
	ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}

	- name: Cache pub dependencies
	uses: actions/cache@v3
	with:
	path: ~/.pub-cache
	key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.yaml') }}
	restore-keys: ${{ runner.os }}-pub

	- name: Set up Flutter
	uses: subosito/flutter-action@v2
	with:
	flutter-version-file: pubspec.yaml

	- name: Install dependencies
	run: flutter pub get

	- name: Build signed APK
	run: flutter build apk --release --split-per-abi
	env:
	ANDROID_KEYSTORE: ${{ github.workspace }}/keystore.jks
	KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
	KEYSTORE_ALIAS: ${{ secrets.KEYSTORE_ALIAS }}
	KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}

	- name: Archive APKs
	run: \|
	mkdir -p release-apks
	cp build/app/outputs/flutter-apk/*.apk release-apks/

	- name: Create GitHub Release
	uses: softprops/action-gh-release@v2
	with:
	tag_name: v${{ github.run_number }}
	name: "Release v${{ github.run_number }}"
	body: \|
	📦 New Nullgram APK release
	📝 Commit: ${{ github.event.head_commit.message }}
	🕒 Date: ${{ github.event.head_commit.timestamp }}
	files: release-apks/*.apk
	env:
	GITHUB_TOKEN: ${{ github.token }}

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