Enhance APK build workflow: add artifact upload step for generated APK

Author: KronoxYT

.github/workflows/build-apk.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - master
+    tags:
+      - 'v*'
   pull_request:
     branches:
       - main
@@ -49,4 +51,10 @@ jobs:
         run: npx cap add android
 
       - name: Build APK
-        run: npx cap build android
+        run: npx cap build android
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: chappi-apk-${{ github.ref_name }}
+          path: android/app/build/outputs/apk/debug/app-debug.apk