feat: prepare for correlation page

Author: sgratzl

config.toml

@@ -56,11 +56,16 @@ relativeURLs = false
     name = "Explore an Indicator"
     url = "/covidcast/indicator"
     weight = 3
+[[menu.main]]
+    parent = "covidcast"
+    name = "Explore Correlations"
+    url = "/covidcast/correlation"
+    weight = 4
 [[menu.main]]
     parent = "covidcast"
     name = "Classic Map"
     url = "/covidcast/classic"
-    weight = 4
+    weight = 30
 [[menu.main]]
     parent = "covidcast"
     name = "Forecast Evaluation"
@@ -132,4 +137,4 @@ relativeURLs = false
     feedbackDelayMin = 45  # in sec
     feedbackDelayMax = 180 # in sec
     feedbackDuration = 60  # show it for 60sec
-    highlightLinks = "/covidcast/,/covidcast/summary,/covidcast/indicator,/covidcast/indicator-status,/forecast-eval/"
+    highlightLinks = "/covidcast/,/covidcast/summary,/covidcast/indicator,/covidcast/indicator-status,/covidcast/correlation,/forecast-eval/"

content/covidcast/correlation.md

@@ -0,0 +1,10 @@
+---
+title: COVIDcast | Indicator Correlation
+linkTitle: Indicator Correlation
+description: COVIDcast tracks and forecasts the spread of COVID-19. By Carnegie Mellon's Delphi Research Group.
+layout: covidcast_app
+app_mode: correlation
+order: 4
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
+feedback: true
+---