Update screenshots

Author: marcusolsson

README.md

@@ -9,7 +9,7 @@
 
 A data source plugin for loading JSON APIs into [Grafana](https://grafana.com) using [JSONPath](https://goessner.net/articles/JsonPath/).
 
-![Screenshot](https://github.com/marcusolsson/grafana-json-datasource/raw/main/src/img/screenshot.png)
+![Screenshot](https://github.com/marcusolsson/grafana-json-datasource/raw/main/src/img/dark.png)
 
 ## Documentation
 

src/img/annotations.png

@@ -33,10 +33,8 @@
       }
     ],
     "screenshots": [
-      {
-        "name": "JSON API",
-        "path": "img/product.png"
-      }
+      { "name": "Explore (Dark)", "path": "img/dark.png" },
+      { "name": "Explore (Light)", "path": "img/light.png" }
     ],
     "version": "%VERSION%",
     "updated": "%TODAY%"