CI testing

.github/workflows/build.yml

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+
+name: CI-Android APK
+
+env:
+  main_project_module: app
+  playstore_name: KeepassFidelity
+
+on:
+  push:
+    branches: [ release ]
+  pull_request:
+    branches: [ release ]
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gradle/wrapper-validation-action@v1
+
+      - name: create and checkout branch
+        if: github.event_name == 'pull_request'
+        env:
+          BRANCH: ${{ github.head_ref }}
+        run: git checkout -B "$BRANCH"
+
+      - name: set up JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: 17
+          distribution: "temurin"
+          cache: 'gradle'
+
+      - name: Build APK
+        run: ./gradlew assemble
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app
+          path: app/build/release/apk/release/*.apk