Fix notice typings

Author: felixbrucker

src/app/api/types/pool/pool-config.ts

@@ -1,6 +1,8 @@
 export interface Notice {
   date: string
-  text: string
+  text: {
+    en: string
+  }
 }
 
 export interface PoolConfig {

src/app/dashboard/dashboard.component.ts

@@ -37,7 +37,7 @@ export class DashboardComponent  {
     return this.noticesInTheLastWeekOrLess.length > 0
   }
 
-  getTranslatedNoticeText(notice) {
+  public getTranslatedNoticeText(notice: Notice): string {
     return notice.text.en
   }