[APM] Service maps: Show license subscription trial CTA

[formgeist]

Related design issue: elastic/apm#166

Summary

The Service maps feature will be Platinum license only, we need a landing page that enables users without a Platinum license to start a trial as it's possible in Kibana.

Design

CTA button links to app/kibana#/management/elasticsearch/license_management

Copy

Service maps is available in Platinum.
In order to access Service Maps, you must be subscribed to an Elastic Platinum license. With it, you'll have the ability to visualize your entire application stack along with your APM data.

Button copy: Start 30-day Platinum trial

[elasticmachine]

Pinging @elastic/apm-ui (Team:apm)

[tbragin]

@nehaduggal @formgeist After taking another look, one small change. I'd say "in Platinum" rather than "on Platinum", since "Platinum" refers to a subscription tier and features are "in" these tiers. See other examples of using this verbiage here https://www.elastic.co/subscriptions

[formgeist]

@tbragin Thanks for the feedback, I've updated the copy in both the screen and the description above ^

[smith]

"Start 30-day Platinum trial"

What URL is used for this link and how do I generate it? Is it different for on-prem vs cloud?

[formgeist]

@smith Updated the description with the CTA button link path