Added firebase analytics

docs/en/en.json

@@ -626,6 +626,10 @@
                         "path": "/extension-fbinstant",
                         "name": "Facebook Instant Games"
                     },
+                    {
+                        "path": "/extension-firebase-analytics",
+                        "name": "Firebase Analytics"
+                    },
                     {
                         "path": "/extension-gpgs",
                         "name": "Google Play Game Services"