add user telegram notifications

frontend/app/__stubs__/static-config.ts

@@ -16,6 +16,7 @@ beforeEach(() => {
     simple_view: false,
     anon_vote: false,
     email_notifications: false,
+    telegram_bot_username: "",
     emoji_enabled: true,
   };
 });

frontend/app/common/static-store.ts

@@ -29,6 +29,7 @@ export const StaticStore: StaticStoreType = {
     simple_view: false,
     anon_vote: false,
     email_notifications: false,
+    telegram_bot_username: "",
     emoji_enabled: false,
   },
   query: querySettings as QuerySettingsType,

frontend/app/common/types.ts

@@ -114,6 +114,7 @@ export interface Config {
   simple_view: boolean;
   anon_vote: boolean;
   email_notifications: boolean;
+  telegram_bot_username: string;
   emoji_enabled: boolean;
 }