incorporate new `vocabulary-theme` `header` and `footer` components, with appropriate assets and stylings

[possumbilities]

Description

• isolates vocabulary-legacy into static dir
• alters some stylings from vocabulary-legacy so it can be overridden more easily with new vocabulary
• localizes new vocabulary from vocabulary-theme into the static dir
• adds localized patch styling to src/styles/vocab.scss
• adds the global header component from the new vocabulary-theme
• adds the global footer component from the new vocabulary-theme
• adds new vocabulary js expand functionality into mount function of header component
• adjust cypress auto-scroll Y position tests to accommodate the added height of the header component.
• builds project in /docs with latest changes

Screenshots

Checklist

• [x] My pull request has a descriptive title (not a vague title like Update index.md).
• [x] My pull request targets the default branch of the repository (main or master).
• [x] My commit messages follow best practices.
• [x] My code follows the established code style of the repository.
• [x] I added or updated tests for the changes I made (if applicable).
• [x] I added or updated documentation (if applicable).
• [x] I tried running the project locally and verified that there are no visible errors.

Developer Certificate of Origin

For the purposes of this DCO, "license" is equivalent to "license or public domain dedication," and "open source license" is equivalent to "open content license or public domain dedication."

Developer Certificate of Origin

``` Developer Certificate of Origin Version 1.1 Copyright (C) 2004, 2006 The Linux Foundation and its contributors. 1 Letterman Drive Suite D4700 San Francisco, CA, 94129 Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Developer's Certificate of Origin 1.1 By making a contribution to this project, I certify that: (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it. (d) I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved. ```

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[possumbilities]

Investigating the built version's static JS not firing. Consider this back in "draft" for now.

[possumbilities]

All tests are passing, and the localized vocabulary.js behaviors load at the correct spot in the stack, and works both in tests and on the Netlify deploy preview.

[b7r3333]

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