feat: update covidcast landing page

Author: sgratzl

content/_index.md

@@ -18,7 +18,7 @@ carousel:
     title: Real-time Indicators of COVID-19 Activity
     ref: covidcast
     alt: Explore COVIDcast
-    image: covidcast_withfill.jpg
+    image: covidcast_v2.jpg
   - pre: Our Blog Post
     title: New and improved COVID Symptom Survey Tracks Testing and Mask-Wearing
     ref: 2020-10-06-survey-wave-4

content/covidcast/_index.md

@@ -4,6 +4,6 @@ description: COVIDcast tracks and forecasts the spread of COVID-19. By Carnegie
 layout: covidcast_app
 app_mode: landing
 order: 1
-heroImage: /images/landing-page/hero-images/covidcast_withfill.jpg
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
 feedback: true
 ---

content/covidcast/classic.md

@@ -5,7 +5,7 @@ description: COVIDcast tracks and forecasts the spread of COVID-19. By Carnegie
 layout: covidcast_app
 app_mode: classic
 order: 3
-heroImage: /images/landing-page/hero-images/covidcast_withfill.jpg
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
 feedback: true
 footer: false
 ---

content/covidcast/export.md

@@ -6,6 +6,6 @@ layout: covidcast_app
 app_mode: export
 order: 6
 icon: solid/download
-heroImage: /images/landing-page/hero-images/covidcast_withfill.jpg
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
 feedback: true
 ---

content/covidcast/indicator.md

@@ -5,6 +5,6 @@ description: COVIDcast tracks and forecasts the spread of COVID-19. By Carnegie
 layout: covidcast_app
 app_mode: indicator
 order: 3
-heroImage: /images/landing-page/hero-images/covidcast_withfill.jpg
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
 feedback: true
 ---

content/covidcast/summary.md

@@ -5,6 +5,6 @@ description: COVIDcast tracks and forecasts the spread of COVID-19. By Carnegie
 layout: covidcast_app
 app_mode: summary
 order: 3
-heroImage: /images/landing-page/hero-images/covidcast_withfill.jpg
+heroImage: /images/landing-page/hero-images/covidcast_v2.jpg
 feedback: true
 ---