Update Makefile to use pnpm for dependency management

- Replaced npm commands with pnpm for installing dependencies and running development scripts, enhancing consistency and performance.
- Adjusted the android-build and frontend-build targets to utilize pnpm for synchronization and building processes.

Makefile

@@ -10,18 +10,18 @@ help:
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  %-15s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 
 android-build: build
-	npx cap sync android
+	pnpm cap sync android
 	cd android && ./gradlew assembleDebug
 	mkdir -p $(BUILD_DIR)/android
 	cp android/app/build/outputs/apk/debug/app-debug.apk $(BUILD_DIR)/android/web-news-debug.apk
 
 dev:
-	npm install
-	(command -v air > /dev/null && air || go run main.go & npm run dev)
+	pnpm install
+	(command -v air > /dev/null && air || go run main.go & pnpm run dev)
 
 frontend-build:
-	npm install
-	npm run build
+	pnpm install
+	pnpm run build
 
 build: frontend-build
 	mkdir -p $(BUILD_DIR)