Add the TerriaJS icon image

src/technologies.json

@@ -21364,7 +21364,7 @@
       ],
       "description": "TerriaJS is an open-source framework for web-based geospatial catalogue explorers.",
       "dom": "html[class*='terria']",
-      "icon": "terriajs.png",
+      "icon": "TerriaJS.png",
       "website": "https://terria.io/"
     },
     "Tessitura": {
@@ -26271,4 +26271,4 @@
       "website": "https://www.xt-commerce.com"
     }
   }
-}
+}