Create release workflow

.github/workflows/release.yml

@@ -0,0 +1,42 @@
+name: Release
+
+on:
+  push: # TODO: releaese trigger
+
+jobs:
+  release:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build
+        run: |
+          xcodebuild \
+            -project ./NyaIME.xcodeproj \
+            -configuration Release
+          mkdir ./tmp/app
+          mv ./build/Release/NyaIME.app ./tmp/app/
+
+      - name: Build Package
+        run: |
+          xcrun pkgbuild \
+            --version 0 \
+            --root ./tmp/app \
+            --component-plist ./pkg.plist \
+            --identifier me.koki.inputmethod.NyaIME \
+            --install-location '/Library/Input Methods' \
+            ./tmp/tmp.pkg
+
+      - name: Build Installer
+        run: |
+          xcrun productbuild \
+            --distribution distribution.xml \
+            --package-path ./tmp \
+            ./tmp/NyaIME.pkg
+
+      # TODO: upload package to release
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: NyaIME
+          path: ./tmp/NyaIME.pkg