Problem:
The URL to the CognateDashboard has recently changed. We need a redirect from the old to the new location.
Notes:
- @ItamarWMDE can involve @GoranSMilovanovic if needed.
- For additional context to why this is important see T295396#8014769.
Acceptance criteria:
- Users visiting https://wiktionary-analytics.wmcloud.org/Wiktionary_CognateDashboard are permanently redirected (301) to https://wiktionary-analytics.wmcloud.org/app/Wiktionary_CognateDashboard.