Integrate Vocabulary styles into Chooser

[obulat]

Fixes

Fixes #160 by @annatuma
Fixes #161 by @annatuma

Description

This PR updates Vocabulary package, adds a Vocabulary Footer section and the new Chooser logo.

Screenshots

Checklist

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

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[akmadian]

Looks good to me :) Merging!