feat: get news by slug and and author detail

internal/accessor/news/get_all.go

@@ -5,7 +5,11 @@ import newsdomain "legalgo-BE-go/internal/domain/news"
 func (a *accessor) GetAll() ([]newsdomain.News, error) {
 	var news []newsdomain.News
 
-	if err := a.db.Preload("Tags").Preload("Categories").Find(&news).Error; err != nil {
+	if err := a.db.
+		Preload("Tags").
+		Preload("Categories").
+		Preload("Author").
+		Find(&news).Error; err != nil {
 		return nil, err
 	}