feat!: expand to internal project, add app layer, develop service layer

cmd/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"ha-tray/internal"
+)
+
+func main() {
+	// Create new application instance
+	app := internal.NewApp()
+
+	// Setup the application (logging, panic handling, service initialization)
+	if err := app.Setup(); err != nil {
+		log.Fatalf("Failed to setup application: %v", err)
+	}
+
+	// Run the application
+	if err := app.Run(); err != nil {
+		fmt.Fprintf(os.Stderr, "Application error: %v\n", err)
+		os.Exit(1)
+	}
+}