Added Firebase Detection

Firebase is a realtime database which provides an API that allows developers to store and sync data across multiple clients

drivers/bookmarklet/json/apps.json

@@ -1232,6 +1232,11 @@
 			"cats": [ 28 ],
 			"headers": { "Server": "Fedora" }
 		},
+                "Firebase": {
+			"website": "firebase.com/",
+			"cats": [ 34 ],
+			"script": "firebase.*\\.js"
+		},
 		"Fireblade": {
 			"website": "fireblade.com",
 			"cats": [ 31 ],