docs(cli-plugin-babel): Fix config file name (vuejs#1986)

LinusBorg · yyx990803 · commit 70e4a7b194b9 · 2018-07-30T15:27:48.000-04:00
Replace mention of .babelrc with babel.config.js in README as we now strongly recommend the latter
diff --git a/packages/@vue/cli-plugin-babel/README.md b/packages/@vue/cli-plugin-babel/README.md
@@ -4,7 +4,7 @@
 
 ## Configuration
 
-Uses Babel 7 + `babel-loader` + [@vue/babel-preset-app](https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/babel-preset-app) by default, but can be configured via `.babelrc` to use any other Babel presets or plugins.
+Uses Babel 7 + `babel-loader` + [@vue/babel-preset-app](https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/babel-preset-app) by default, but can be configured via `babel.config.js` to use any other Babel presets or plugins.
 
 By default, `babel-loader` excludes files inside `node_modules` dependencies. If you wish to explicitly transpile a dependency module, you will need to add it to the `transpileDependencies` option in `vue.config.js`:
 
