更新前端Scheme类型定义。

src/models.ts

@@ -1,3 +1,8 @@
+import { MaterialDesign2SchemeStorage } from './material-2-scheme';
+import { MaterialDesign3SchemeStorage } from './material-3-scheme';
+import { QSchemeStorage } from './q-scheme';
+import { SwatchSchemeStorage } from './swatch_scheme';
+
 export type Option = {
   label: string;
   value: string | number | null;
@@ -35,3 +40,9 @@ export type ColorShifting = {
   chroma: number;
   lightness: number;
 };
+
+export type SchemeStorage =
+  | QSchemeStorage
+  | SwatchSchemeStorage
+  | MaterialDesign2SchemeStorage
+  | MaterialDesign3SchemeStorage;