refactor: fix path and webpack

webpack.rules.js

@@ -15,6 +15,10 @@ module.exports = [
   //     },
   //   },
   // },
+  {
+    test: /\.css$/,
+    use: [{ loader: 'style-loader' }, { loader: 'css-loader' }],
+  },
   {
     test: /\.(t|j)sx?$/,
     exclude: /(node_modules|\.webpack)/,
@@ -37,4 +41,32 @@ module.exports = [
       },
     ],
   },
+  {
+    test: /\.(png|jpe?g|gif)$/,
+    use: [
+      {
+        loader: 'file-loader',
+        options: {
+          name: '[name].[ext]',
+          outputPath: 'images/',
+        },
+      },
+      {
+        loader: 'image-webpack-loader',
+        options: {
+          query: {
+            mozjpeg: {
+              progressive: true,
+            },
+            gifsicle: {
+              interlaced: true,
+            },
+            optipng: {
+              optimizationLevel: 7,
+            },
+          },
+        },
+      },
+    ],
+  },
 ];