docs: Update feature descriptions.

docs/index.md

@@ -23,16 +23,16 @@ hero:
       link: 'https://github.com/uwdata/divi'
 
 features:
-  - 
-    title: Interact with charts automatically
+  - icon: 📊
+    title: Interact automatically
     details: Explore charts on-the-fly without writing complex interaction handling code.
-  - 
-    title: Perform a useful range of supported interactions
-    details: Analyze data via selection & brushing, navigation, filtering, annotation, and sorting.
-  - 
-    title: Interoperable across source tools and chart types
-    details: Interact with any visualization in SVG format, including charts from popular analysis tools such as Matplotlib, ggplot2, and Excel. This includes linked views, too!
-  - 
-    title: Reuse chart deconstructors
-    details: DIVI parses and analyzes charts to infer core structures and relationships needed for interactions (e.g., axes, legends, marks), which are exposed for any user-desired rigging.
+  - icon: 🔗
+    title: Perform linked interactions
+    details: Analyze data via linked selection & brushing, navigation, filtering, annotation, and sorting.
+  - icon: 🛠️
+    title: Interoperable across tools
+    details: Interact with SVG charts from popular tools, including Matplotlib, ggplot2, and Excel.
+  - icon: 🪡
+    title: Customize chart
+    details: Access deconstruction metadata such as axes and legends to tailor plotting behavior.
 ---