manually add methodology articles to the menu (#18)

_pkgdown.yml

@@ -27,5 +27,12 @@ navbar:
  href: https://rmi-pacta.github.io/pacta.executive.summary/
  - text: "pacta.interactive.plot"
  href: https://rmi-pacta.github.io/pacta.interactive.plot/
+ methodology:
+ text: "Methodology"
+ menu:
+ - text: "Share ownership weight attribution method"
+ href: https://rmi-pacta.github.io/pacta.data.preparation/articles/share_ownership_methodology.html
+ - text: "Transition Disruption Metric"
+ href: https://rmi-pacta.github.io/pacta.portfolio.allocate/articles/transition_disruption_metric.html
 
 url: https://rmi-pacta.github.io/pactaverse