Update content for Install Management CLI page

[alohr51]

Note: this CLI page might not be ready to be published (this section shouldn't be published until the CLI is released)

Install Management CLI

Now that Kabanero Foundation is installed, activate a collection and begin configuring pipeline here it for your team to use. The collection activation will create a collection instance and prepare Kabanero Foundation for managing the build, test, and deployment of the microservice.

Prerequisite:  Kabanero Foundation

Button: View Instructions (link: https://github.com/kabanero-io/kabanero-command-line)