vue-loader link on newly scaffolded project 404s

[stowball]

Version

3.0.0-beta.6

Reproduction link

https://codesandbox.io/s/vue

Steps to reproduce

1. Scaffold a new project with vue create hello-world
2. yarn serve
3. Click the vue-loader link

What is expected?

It should open a correct url (https://vue-loader.vuejs.org/ ?)

What is actually happening?

It links to https://vue-loader.vuejs.org/en which 404s

[yyx990803]

Fixed in #1229