Rename images

Author: rzats

assets/images/landing-page/hero-images/changepoint-hero.jpg renamed to assets/images/landing-page/hero-images/landing-pg-hero-exploratory_analysis.jpg

@@ -18,7 +18,7 @@ carousel:
     title: Exploratory Analysis - Identifying Changing Variant Behavior during a Pandemic
     ref: 2023-12-20-changepoint_explore
     alt: View Post
-    image: changepoint-hero.jpg
+    image: landing-pg-hero-exploratory_analysis.jpg
   - pre: Blog
     title: On the Predictability of COVID-19
     ref: 2021-09-30-ensemble-analysis
@@ -28,7 +28,7 @@ carousel:
     title: An Open Repository of Real-Time COVID-19 Indicators
     link: https://delphi.cmu.edu/blog/2022/12/14/introducing-epidata-v4/
     alt: Introducing Epidata
-    image: blog-lg-img_hello-world.jpg
+    image: landing-pg-hero-introducing_epidata.jpg
   - pre: Research
     title: "Comparing Trained and Untrained Probabilistic Ensemble Forecasts of COVID-19 Cases and Deaths in the United States"
     link: https://doi.org/10.1016/j.ijforecast.2022.06.005