Improves the API access addon to display a badge
indicating which stories expect API access parameters

Enhance GitLab storybook by implementing
a global decorator and global arguments
that allow setting a gitlab instance URL
and an access token so we can write stories
for components that depend on the REST
or GraphQL APIs

This reverts merge request !96011

Update storybook dev environment. Also pin chokidar to a newer version.

This also adds syntax highlighting support to storybook. We just use
the default theme.

Luckily tar is just a development dependency for us, so we can simply
update it without following the "normal" security process.

Allow using MirajeJS to mock API requests
in Storybook. Improves the yarn storybook:start
command to prompt the user about generating
the fixtures needed by MirajeJS.

- Add .storybook-yarn-cache alias
- Push to storybook node modules cache in ci
- Use frontend rules for storybook job

Don't check for ee/ stories in FOSS

- add basic doc
- include ee/
- add storybook:start and storybook:install yarn scripts

- upgrade storybook packages
- add comments to webpack config

And fix eslint errors.

Adds Storybook dependencies, config,
and a story for todo_button.vue.

Deploys to GitLab pages.

This reverts merge request !55454