feat: grafana screenshots

Author: romiekos

grafana/floor-panel/src/img/floor-plan-screenshot-01.jpg

@@ -14,7 +14,11 @@
       "large": "img/logo.svg"
     },
     "links": [],
-    "screenshots": [],
+    "screenshots": [
+      { "name": "Floor Plan Example", "path": "img/floor-plan-screenshot-01.jpg" },
+      { "name": "Multiple Floor Plans", "path": "img/floor-plan-screenshot-02.jpg" },
+      { "name": "Settings", "path": "img/floor-plan-screenshot-03.jpg" }
+    ],
     "version": "%VERSION%",
     "updated": "%TODAY%"
   },