update(webpack-notifier): emoji support in 1.8

- `emoji` option support
- version bump
- tests updated

Turbo87/webpack-notifier#54
Turbo87/webpack-notifier@v1.7.0...v1.8.0

Thanks!

types/webpack-notifier/index.d.ts

@@ -1,8 +1,8 @@
-// Type definitions for webpack-notifier 1.5
+// Type definitions for webpack-notifier 1.8
 // Project: https://github.com/Turbo87/webpack-notifier#readme
 // Definitions by: Benjamin Lim <https://github.com/bumbleblym>
+//                 Piotr Błażejewicz <https://github.com/peterblazejewicz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
 
 import { Plugin } from 'webpack';
 
@@ -19,6 +19,11 @@ declare namespace WebpackNotifierPlugin {
 		excludeWarnings?: boolean;
 		skipFirstNotification?: boolean;
 		title?: string;
+		/**
+		 * Use emoji in notifications
+		 * @default false
+		 */
+		emoji?: boolean;
 	}
 
 	/** @deprecated use Options */

types/webpack-notifier/webpack-notifier-tests.ts

@@ -8,6 +8,7 @@ const optionsArray: WebpackNotifierPlugin.Options[] = [
 		excludeWarnings: true,
 		alwaysNotify: true,
 		skipFirstNotification: true,
+		emoji: true,
 	},
 ];