feat(SetupFont): add multiplier constants

src/features/SetupFont/model/const/const.ts

@@ -79,3 +79,10 @@ export const DEFAULT_TYPOGRAPHY_CONTROLS_DATA: ControlModel<ControlId>[] = [
         controlLabel: 'Letter Spacing',
     },
 ];
+
+/**
+ * Font size multipliers
+ */
+export const MULTIPLIER_S = 0.5;
+export const MULTIPLIER_M = 0.75;
+export const MULTIPLIER_L = 1;

src/features/SetupFont/model/index.ts

@@ -13,6 +13,9 @@ export {
     MIN_FONT_SIZE,
     MIN_FONT_WEIGHT,
     MIN_LINE_HEIGHT,
+    MULTIPLIER_L,
+    MULTIPLIER_M,
+    MULTIPLIER_S,
 } from './const/const';
 
 export {