Add Zone.js icon

src/technologies/z.json

@@ -583,6 +583,7 @@
     "js": {
       "Zone.root": ""
     },
+    "icon": "Angular.svg",
     "website": "https://github.com/angular/angular/tree/master/packages/zone.js"
   },
   "Zonos": {
@@ -699,4 +700,4 @@
     "scriptSrc": "userapp\\.zyrosite\\.com/",
     "website": "https://zyro.com"
   }
-}
+}