remove extra spaces from notes field

database/mysql.go

@@ -179,6 +179,7 @@ func (m *MySQL) GetAllBooks(ctx context.Context) ([]media.Book, error) {
 			return nil, err
 		}
 		b.Authors = strings.Split(authors, ";")
+		b.Notes = strings.TrimSpace(b.Notes)
 		books = append(books, b)
 	}