web-components cannot be initialized

[tonysviews]

Describe the bug
When initializing a new storybook web-components project, it is not recognized and throws an error:

The provided project type was not recognized by Storybook.

To Reproduce
Steps to reproduce the behavior:

1. Open terminal and type in:
   npx -p @storybook/cli sb init -t web-components
   or
   npx -p @storybook/cli@next sb init -t web-components

2. The error "The provided project type was not recognized by Storybook." is shown.

Expected behavior
A new storybook web-components project is created.

Code snippets
`$ npx -p @storybook/cli sb init -t web-components

sb init - the simplest way to add a storybook to your project.

• Installing Storybook for user specified project type. ✖

 The provided project type was not recognized by Storybook.

The project types currently supported by Storybook are:

- angular
- ember
- html
- marko
- meteor
- mithril
- polymer
- preact
- rax
- react
- react_native
- react_project
- react_scripts
- riot
- sfc_vue
- svelte
- vue
- webpack_react`

System:
Environment Info:

System:
OS: Windows 10
CPU: (8) x64 Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
Binaries:
Node: 12.8.1 - C:\Development\nodejs\node.EXE
npm: 6.10.2 - C:\Development\nodejs\npm.CMD
Browsers:
Edge: 44.18362.387.0

[Buslowicz]

Just tried to create a web components storybook, got the same issue as described above. Pretty weird that official readme does not work...

[shilman]

Whoopee!! I just released https://github.com/storybookjs/storybook/releases/tag/v5.3.0-beta.21 containing PR #9106 that references this issue. Upgrade today to try it out!

You can find this prerelease on the @next NPM tag.