Add VA Services taxonomy term information to Service Region node:edit

[omahane]

User Story or Problem Statement

As a VBA national editor, I want to see the nationalized service related information when creating or editing a service region so that I have a better understanding of how a service region will be rendered on the front end.

Screenshot

Service Region node:edit

VBA Facility Service node:edit (for comparison)

Acceptance Criteria

• [ ] TBD

Implementation steps

## Design principles Veteran-centered - [x] `Single source of truth`: Increase reliability and consistency of content on VA.gov by providing a single source of truth. - [ ] `Accessible, plain language`: Provide guardrails and guidelines to ensure content quality. - [ ] `Purposely structured content`: Ensure Content API can deliver content whose meaning matches its structure. - [ ] `Content lifecycle governance`: Produce tools, processes and policies to maintain content quality throughout its lifecycle. Editor-centered - [ ] `Purpose-driven`: Create an opportunity to involve the editor community in VA’s mission and content strategy goals. - [ ] `Efficient`: Remove distractions and create clear, straightforward paths to get the job done. - [ ] `Approachable`: Offer friendly guidance over authoritative instruction. - [ ] `Consistent`: Reduce user’s mental load by allowing them to fall back on pattern recognition to complete tasks. - [x] `Empowering`: Provide clear information to help editors make decisions about their work. ### Team Please check the team(s) that will do this work. - [ ] `CMS Team` - [ ] `Public Websites` - [x] `Facilities` - [ ] `User support`

[omahane]

@xiongjaneg Here's that ticket I created about Service Region.