i don't know what i did

webpack.config.js

@@ -5,8 +5,8 @@ const path = require('path');
 module.exports = {
   entry: './src/index.tsx',
   output: {
-    filename: '<plugin-name>.js',
-    library: '<plugin-name>',
+    filename: 'TestPlugin.js',
+    library: 'TestPlugin',
     libraryTarget: 'umd',
     publicPath: '/',
     globalObject: 'this',
@@ -49,6 +49,10 @@ module.exports = {
         use: 'ts-loader',
         exclude: /node_modules/,
       },
+      {
+        test: /\.(gif)$/i,
+        type: 'asset/resource',
+      },
     ],
   },
   resolve: {