feat(editor): store real color values in edgeless (#9254)

### What's Changed!

* adds theme type: `ThemeSchema`
* adds default theme: `DefaultTheme`
* stores real color values

blocksuite/affine/model/src/consts/text.ts

@@ -1,12 +1,5 @@
+import type { Color } from '../themes/color.js';
 import { createEnumMap } from '../utils/enum.js';
-import { StrokeColor } from './color.js';
-
-export enum ColorScheme {
-  Dark = 'dark',
-  Light = 'light',
-}
-
-export type Color = string | Partial<Record<ColorScheme | 'normal', string>>;
 
 export enum TextAlign {
   Center = 'center',
@@ -66,5 +59,3 @@ export enum TextResizing {
   AUTO_WIDTH_AND_HEIGHT,
   AUTO_HEIGHT,
 }
-
-export const DEFAULT_TEXT_COLOR = StrokeColor.Blue;