add cache pub-cache #6

	name: Flutter CI

	on:
	push:
	branches:
	- aes-algorithm # Adjust this to your default branch if necessary
	pull_request:
	branches:
	- aes-algorithm

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Check out the repository
	uses: actions/checkout@v2

	- name: Set up Flutter
	uses: subosito/flutter-action@v2
	with:
	flutter-version: '3.19.6' # Specify the Flutter version, e.g., '2.10.0'

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

	- name: Install dependencies
	run: flutter pub get

	- name: Run tests & generate coverage
	run: flutter test --coverage

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	files: ./coverage/lcov.info
	flags: flutter
	name: code-coverage-report
	token: 2f59bcbb-7263-4e0c-9a37-e710e39705bb # Add this to your GitHub secrets
	fail_ci_if_error: true

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