chore(workflows): customizable workflows (#1356)

* ability to trigger each job individually via workflow_dispatch
* categorize reusable workflows / jobs into `build` and `test`
* split trigger into `pull-request` and `release`

.github/workflows/build.yml

@@ -0,0 +1,167 @@
+name: build
+on:
+  workflow_dispatch:
+    inputs:
+      enable_android:
+        description: 'Build Android'
+        required: false
+        default: true
+        type: boolean
+      enable_web:
+        description: 'Build Web'
+        required: false
+        default: true
+        type: boolean
+      enable_ios:
+        description: 'Build IOS'
+        required: false
+        default: true
+        type: boolean
+      enable_windows:
+        description: 'Build Windows'
+        required: false
+        default: true
+        type: boolean
+      enable_linux:
+        description: 'Build Linux'
+        required: false
+        default: true
+        type: boolean
+      enable_macos:
+        description: 'Build MacOS'
+        required: false
+        default: true
+        type: boolean
+  workflow_call:
+    inputs:
+      enable_android:
+        required: false
+        default: true
+        type: boolean
+      enable_web:
+        required: false
+        default: true
+        type: boolean
+      enable_ios:
+        required: false
+        default: true
+        type: boolean
+      enable_windows:
+        required: false
+        default: true
+        type: boolean
+      enable_linux:
+        required: false
+        default: true
+        type: boolean
+      enable_macos:
+        required: false
+        default: true
+        type: boolean
+
+jobs:
+  web:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    if: inputs.enable_web
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: Example app - Build Web app
+        working-directory: ./packages/audioplayers/example
+        run: flutter build web
+
+  android:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    if: inputs.enable_android
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Java
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Setup Android SDK
+        uses: android-actions/setup-android@v2
+
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: Example App - Build Android APK
+        working-directory: ./packages/audioplayers/example
+        run: flutter build apk --release
+
+      - name: Run Android unit tests
+        working-directory: ./packages/audioplayers/example/android
+        run: ./gradlew test
+
+  ios:
+    runs-on: macOS-latest
+    timeout-minutes: 30
+    if: inputs.enable_ios
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: Example app - Build iOS
+        working-directory: ./packages/audioplayers/example
+        run: flutter build ios --release --no-codesign
+
+  macos:
+    runs-on: macOS-latest
+    timeout-minutes: 30
+    if: inputs.enable_macos
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: setup-cocoapods
+        uses: maxim-lobanov/setup-cocoapods@v1
+        with:
+          podfile-path: ./packages/audioplayers/example/macos/Podfile.lock
+      - name: Example app - Build macOS
+        working-directory: ./packages/audioplayers/example
+        run: flutter build macos --release
+
+  windows:
+    runs-on: windows-latest
+    timeout-minutes: 30
+    if: inputs.enable_windows
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: Example app - Build Windows app
+        working-directory: ./packages/audioplayers/example
+        run: flutter build windows --release
+
+  linux:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    if: inputs.enable_linux
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+      - uses: bluefireteam/melos-action@main
+
+      - name: Install Flutter requirements for Linux
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang cmake ninja-build pkg-config libgtk-3-dev liblzma-dev
+      - name: Install GStreamer
+        # Install libunwind-dev, see https://github.com/actions/runner-images/issues/6399#issuecomment-1285011525
+        run: |
+          sudo apt install -y libunwind-dev
+          sudo apt-get install -y libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
+
+      - name: Example app - Build Linux app
+        working-directory: ./packages/audioplayers/example
+        run: flutter build linux --release

.github/workflows/pull-request.yml

@@ -0,0 +1,15 @@
+name: pull-request
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
+
+jobs:
+  call-test:
+    uses: ./.github/workflows/test.yml
+    if: github.event.pull_request.draft == false

.github/workflows/release.yml

@@ -0,0 +1,13 @@
+name: release
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  call-build:
+    uses: ./.github/workflows/build.yml
+
+  call-test:
+    needs: call-build
+    uses: ./.github/workflows/test.yml