Create info text

[phildree]

User story

1. As a user
2. I want to know what this project is about and how to use the UI
3. So that I am able to use all available functionality to understand my apache pulsar installation

Acceptance criteria

• Create info-text describing the Project and how to use the UI
• Add text to corresponding field
• Move Topology elements of the navigation-bar to the middle and leave the info button on the right (so that it is obvious that it is not part of the topology)
• Make the info icon a bit bigger

Definition of done (DoD)

• Feature is done when the acceptance criteria are fullfiled
• Feature is done when there are test where it is necessary and they pass
• Feature is done when the linter passes
• Feature is done when it is merged onto our main branch (after the code has been reviewed by at least one other person)
• Feature is done when the code has been documentend or commented properly

DoD general criteria

• Feature has been fully implemented
• Feature has been merged into the mainline
• All acceptance criteria were met
• Product owner approved features
• All tests are passing
• Developers agreed to release