ci: desktop build

.github/workflows/desktop.yaml

@@ -0,0 +1,74 @@
+name: Build Desktop
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  linux:
+    name: Linux
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: cat .github/workflows/versions.env >> $GITHUB_ENV
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          cache: true
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install curl clang cmake ninja-build pkg-config libgtk-3-dev libblkid-dev liblzma-dev libjsoncpp-dev cmake-data libsecret-1-dev libsecret-1-0 librhash0 -y
+      - run: flutter pub get
+      - run: flutter build linux --release --target-platform linux-x64
+      - name: Create archive
+        run: tar -czf fluffychat-linux-x64.tar.gz -C build/linux/x64/release/bundle/ .
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: fluffychat-linux-x64
+          path: fluffychat-linux-x64.tar.gz
+
+  windows:
+    name: Windows
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: cat .github/workflows/versions.env >> $GITHUB_ENV
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          cache: true
+      - name: Install dependencies
+        run: choco install -y ninja cmake
+      - run: flutter pub get
+      - run: flutter build windows --release --target-platform windows-x64
+      - name: Create archive
+        run: 7z a fluffychat-windows-x64.zip build\windows\x64\release\bundle
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: fluffychat-windows-x64
+          path: fluffychat-windows-x64.zip
+
+  macos:
+    name: macOS
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: cat .github/workflows/versions.env >> $GITHUB_ENV
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          cache: true
+      - name: Install dependencies
+        run: brew install ninja cmake
+      - run: flutter pub get
+      - run: flutter build macos --release --target-platform darwin-x64
+      - name: Create archive
+        run: tar -czf fluffychat-macos-x64.tar.gz -C build/macos/Build/Products/Release/ .
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: fluffychat-macos-x64
+          path: fluffychat-macos-x64.tar.gz