build sass files

package.json

@@ -42,7 +42,7 @@
     "node-sass": "^4.9.3",
     "raw-loader": "^4.0.0",
     "regexp-replace-loader": "1.0.1",
-    "sass-loader": "^4.1.1",
+    "sass-loader": "^8.0.2",
     "stream-chunker": "^1.2.8",
     "subworkers": "^1.0.1",
     "to-arraybuffer": "^1.0.1",

webpack.config.js

@@ -8,7 +8,9 @@ module.exports = {
       './app/index.js',
       './app/index.html'
     ],
-    config: './app/config.js'
+    config: './app/config.js',
+    theme: './app/theme.js',
+    matrix: './app/matrix.js'
   },
   output: {
     path: path.join(__dirname, 'dist'),
@@ -55,6 +57,15 @@ module.exports = {
           'css-loader'
         ]
       },
+      {
+        test: /\.scss$/,
+        use: [
+          'file-loader?name=[hash].css',
+          'extract-loader',
+          'css-loader',
+          'sass-loader'
+        ]
+      },
       {
         type: 'javascript/auto',
         test: /manifest\.json$|\.xml$/,