build: add make targets for release APK build and install

Makefile

@@ -1,13 +1,16 @@
-.PHONY: build install run clean test help
+.PHONY: build install run build-release install-release run-release clean test help
 
 # Default target
 help:
 	@echo "Available targets:"
-	@echo "  build   - Build debug APK"
-	@echo "  install - Build and install debug APK on connected device"
-	@echo "  run     - Build, install, and launch the app"
-	@echo "  clean   - Clean build artifacts"
-	@echo "  test    - Run unit tests"
+	@echo "  build           - Build debug APK"
+	@echo "  install         - Build and install debug APK on connected device"
+	@echo "  run             - Build, install, and launch the app (debug)"
+	@echo "  build-release   - Build release APK"
+	@echo "  install-release - Build and install release APK on connected device"
+	@echo "  run-release     - Build, install, and launch the app (release)"
+	@echo "  clean           - Clean build artifacts"
+	@echo "  test            - Run unit tests"
 
 # Build debug APK
 build:
@@ -21,6 +24,18 @@ install: build
 run: install
 	adb shell am start -n com.matedroid/.MainActivity
 
+# Build release APK
+build-release:
+	./gradlew assembleRelease
+
+# Build and install release APK on connected device
+install-release: build-release
+	adb install -r app/build/outputs/apk/release/app-release.apk
+
+# Build, install, and launch the app (release)
+run-release: install-release
+	adb shell am start -n com.matedroid/.MainActivity
+
 # Clean build artifacts
 clean:
 	./gradlew clean