Revert "alias is not needed, use @/ for src directory instead"

This reverts commit 84fab59c5a66828a6ccf1176796e508af47701da.

config/config.js

@@ -42,6 +42,12 @@ export default {
     '@antv/data-set': 'DataSet',
     rollbar: 'rollbar',
   },
+  alias: {
+    components: path.resolve(__dirname, '../src/components/'),
+    utils: path.resolve(__dirname, '../src/utils/'),
+    assets: path.resolve(__dirname, '../src/assets/'),
+    common: path.resolve(__dirname, '../src/common/'),
+  },
   ignoreMomentLocale: true,
   lessLoaderOptions: {
     javascriptEnabled: true,