changed how options are used, fixed "only show tasks with due date" #40

	name: Flutter Build Unsigned Debug

	on: [push, pull_request]

	jobs:
	build-app:
	name: Build Unsigned APK
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v1

	- name: Setup Java
	uses: actions/setup-java@v1
	with:
	java-version: '12.x'

	- name: Setup Flutter
	uses: subosito/flutter-action@v1
	with:
	channel: stable

	- name: Cache pub dependencies
	uses: actions/cache@v2
	with:
	path: ${{ env.FLUTTER_HOME }}/.pub-cache
	key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
	restore-keys: ${{ runner.os }}-pub-

	- name: Download pub dependencies
	run: flutter pub get

	- name: Build Debug Build
	run: flutter build apk --debug --flavor core

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