refine architecture

change module name to repo

internal/storage/storage.go

@@ -7,8 +7,8 @@ import (
 )
 
 type Storage[T any] struct {
-	path string
 	mu   sync.RWMutex
+	path string
 	Data *T
 }
 
@@ -51,4 +51,4 @@ func (s *Storage[T]) Init() error {
 		return s.Save()
 	}
 	return s.Load()
-}
+}