feat(font): 新增字体设置并统一医护端与患者端文书字体

patient-h5/src/api/types.ts

@@ -1,3 +1,4 @@
+import type { DocumentFont } from '../../../packages/document-fonts'
 export interface ApiResponse<T> {
   code: number | string
   message: string
@@ -92,6 +93,7 @@ export interface SigningContextTemplate {
 }
 
 export interface SigningContextDocument {
+  font?: DocumentFont | null
   contentHtml?: string | null
   contentSha256?: string | null
 }