fix: build failing issue

src/Background/index.ts

@@ -161,7 +161,7 @@ async function checkApiKey(apikey: string): Promise<SuccessfulApiKeyCheckPropert
 /**
  *  Listen for messages from UI
  */
-browser.runtime.onMessage.addListener((request, sender): void | Promise<any> => {
+browser.runtime.onMessage.addListener((request, _sender): void | Promise<any> => {
     console.log('message received', request);
 
     // eslint-disable-next-line default-case

src/util/settings.ts

@@ -3,7 +3,7 @@ import { browser, Storage } from 'webextension-polyfill-ts';
 import { DomainEntryProperties } from '../Background';
 
 // Core Extensions settings props
-type ExtensionSettingsProperties = {
+export type ExtensionSettingsProperties = {
     apikey: string;
     autocopy: boolean;
     history: boolean;