Fixes #144

[bo-quan]

What does this PR do?

Nomanclature changes in sync with Snaps-boot: "configuration node" -> "Build Server"; "admin network" -> "management network" (no change needed for management network")

Do you have any concerns with this PR?

No

How can the reviewer verify this PR?

N/A

Any background context you want to provide?

No

Screenshots or logs (if appropriate)

N/A

Questions:

• Have you connected this PR to the issue it resolves?

  144

• Does the documentation need an update? Yes, in this PR.
• Does this add new Python dependencies? No
• Have you added unit or functional tests for this PR? N/A