[Functionality] add formats and canonical url meta areas to top section of the `deed` and `legal code` page contexts as patch styles

[possumbilities]

Problem

Presently the both the deed and legal code page contexts within the Licenses does not contain a place for visitors to access alternative formats beyond html. Such a meta box should exist. Additionally a visible canonocical URL is also absent.

Description

For the deed page the following formats should exist with appropriate styling rules as a formats meta box at the top of the page near the "see the legal code":

• Plain text
• Markdown
• RDF-XML
• PDF format

For the legal code page the following formats should exist with appropriate styling rules as a formats meta box at the top of the page near the "see the deed":

• RDF-XML

Additionally a canonical url should exist here as meta information under the long name title in the "header area" of the page.

Implementation

• I would be interested in implementing this feature.

[TimidRobot]

This was resolved downstream in:

• [Feature] add localized markup and styling for canonical url, and formats meta information to deed and legal code page contexts cc-legal-tools-app#390
  • App: add tool meta information (canonical url, rdf/xml, plaintext) cc-legal-tools-app#392

I believe there remains a benefit in adapting that downstream work into a more general solution for Vocabulary