Fixed image extension and updated 'Remarkable' detection

https://github.com/wappalyzer/wappalyzer/issues/6410

src/technologies/n.json

@@ -726,7 +726,7 @@
       96
     ],
     "description": "Nosto Visual UGC (Earlier known as Stackla) is a cloud-based content marketing platform that helps discover, curate, display and engage with user-generated content across all digital marketing platforms.",
-    "icon": "Nosto.png",
+    "icon": "Nosto.svg",
     "js": {
       "Stackla": "",
       "stacklaWidgetJsonp": ""        

src/technologies/r.json

@@ -965,7 +965,7 @@
     "description": "Remarkable Commerce is a technology and services company which provides a ecommerce platform for mid-sized retailers.",
     "icon": "Remarkable.png",
     "js": {
-      "Remarkable": ""
+      "Remarkable.BasketItems": ""
     },
     "pricing": [
       "poa"