fix build issues

package.json

@@ -52,7 +52,8 @@
     "stylelint-order": "^4.1.0",
     "webpack": "^4.44.1",
     "webpack-merge": "^4.2.2",
-    "webpack-stream": "^5.2.1"
+    "webpack-stream": "^5.2.1",
+    "worker-plugin": "^5.0.0"
   },
   "dependencies": {
     "alameda": "^1.4.0",

src/plugins/comicsPlayer/plugin.js

@@ -3,7 +3,6 @@ import loading from 'loading';
 import dialogHelper from 'dialogHelper';
 import keyboardnavigation from 'keyboardnavigation';
 import appRouter from 'appRouter';
-import 'css!../slideshow/style';
 import * as libarchive from 'libarchive';
 
 export class ComicsPlayer {