Updated description and image to match version 2.1.0

_plugins/segmentedbed.md

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-A plugin to display individual segmented bed temps in real-time for Prusa XL printers.  It also plays nicely with UICustomizer and dark themes.
+A plugin to display individual segmented bed temps in real-time for Prusa XL printers.
 
-No configuration settings at the moment. Hope to add color coding options and allow selection of number of tiles to allow use of other future printers.
+As of version 2.0.0, the colors are now configurable via a settings page, and the tiles now show a variable-color heatmap increasing in intensity the hotter 
+or colder a tile is versus the target temperature. Font colors are dynamically set based on tile color to increase readability. It also plays nicely with 
+UICustomizer and dark themes.
+
+**Note that as of 2.0.0, the color scheme has changed based on user feedback.** Instead of showing red for heating and blue for cooling, the gradient heatmap now
+shows blue=cold and red=hot. This way, the heatmap tracks more closely with a normal thermometer, and not with the cooling behavior. The maximum variation 
+is 10 degrees C. Any tile farther from the target than that will show maximum hot or cold color.
+
+The colors used for hot and cold can be configured in the settings page. This page also shows a live preview of the Hot/Neutral/Cold colors to let you see how 
+they will interact with your theme in real-time.