Fix lint errors

Author: N1ck

src/lib/klipy.js

@@ -8,7 +8,7 @@ const API_KEY = KLIPY_API_KEY;
 export default class Klipy extends GifProvider {
   constructor() {
     super();
-    this._customerId = null;
+    this._customerId = undefined;
   }
 
   async _getCustomerId() {

src/main.js

@@ -368,7 +368,6 @@ function getFormattedGif(gif) {
     fullSizeUrl = xs.gif.url;
   }
 
-
   const height = Math.floor((sm.gif.height * MAX_GIF_WIDTH) / sm.gif.width);
 
   // Generate a random pastel colour to use as an image placeholder

src/manifest.json

@@ -19,7 +19,7 @@
     "activeTab",
     "storage"
   ],
-"optional_host_permissions": [
+  "optional_host_permissions": [
     "http://*/*",
     "https://*/*",
     "<all_urls>"

webpack.config.js

@@ -1,9 +1,9 @@
 import path from 'node:path';
 import process from 'node:process';
 import { fileURLToPath } from 'node:url';
-import 'dotenv/config';
 import CopyPlugin from 'copy-webpack-plugin';
 import webpack from 'webpack';
+import 'dotenv/config';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);