refactor: clean code

internal/app/app.go

@@ -0,0 +1,21 @@
+package app
+
+import (
+	"sync"
+
+	"github.com/pocketbase/pocketbase"
+)
+
+var instance *pocketbase.PocketBase
+
+var intanceOnce sync.Once
+
+func GetApp() *pocketbase.PocketBase {
+	intanceOnce.Do(func() {
+		instance = pocketbase.NewWithConfig(pocketbase.Config{
+			HideStartBanner: true,
+		})
+	})
+
+	return instance
+}