Addressing duplicative content across GSA web properties

[ryanwoldatwork]

This issue serves 2 purposes:

1. serve as an example scenario used to craft a repeatable process to identify and address duplicative content across GSA web properties
2. to identify an actual instance of duplicative content

• https://tech.gsa.gov/guides/0_a_guide_newtoagile/
• https://agile.18f.gov/
• [redacted] intranet site

[ryanwoldatwork]

closing, as this is duplicative of https://github.com/GSA/wg-web-modernization/issues/52