WD-15180 Added secondary navigation for /data/* pages

[immortalcodes]

Done

• Secondary navigation for pages inside

  • /data/opensearch
  • /data/postgresql
  • /data/opensearch

    QA

• Check out this feature branch

• Run the site using the command ./run serve

• View the site locally in your web browser at: http://0.0.0.0:8002/

• Run through the following QA steps

• Design

• Copydoc

• Demo

  Issue / Card

Fixes # WD-15180

Screenshots

[if relevant, include a screenshot]

[webteam-app]

Demo

Jenkins

demos.haus