[APM] Service maps - adds new storybook stories to test out various d…

…ata sets (#68727)

* - move cytoscape stories-related files to __stories__
- adds story to generate/render service map response data
- adds story that renders any service map response json
- adds story that renders opbeans test data

* added example data for 'Hipster store' and 'Todo app'

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>