displaying bar graph, fetching distributions message

src/shared/messages/index.ts

@@ -3,18 +3,21 @@ import TAB_MESSAGES from './TabMessages';
 import BrowserActionMessages from './BrowserActionMessages';
 import HotReloadingMessages from './HotReloadingMessages';
 import TabManagementMessages from './TabManagementMessages';
+import CourseDataMessages from './CourseDataMessages';
 
 /**
  * This is a type with all the message definitions that can be sent TO the background script
  */
-export type BACKGROUND_MESSAGES = BrowserActionMessages & TabManagementMessages & HotReloadingMessages;
+export type BACKGROUND_MESSAGES = BrowserActionMessages &
+    TabManagementMessages &
+    HotReloadingMessages &
+    CourseDataMessages;
 
 /**
  * A utility object that can be used to send type-safe messages to the background script
  */
 export const bMessenger = createMessenger<BACKGROUND_MESSAGES>('background');
 
-
 /**
  * A utility object that can be used to send type-safe messages to specific tabs
  */