docs: Update config

Author: Ehesp

docs.json

@@ -2,6 +2,17 @@
   "$schema": "https://docs.page/schema.json",
   "name": "React Native Firebase",
   "description": "A well-tested feature-rich modular Firebase implementation for React Native. Supports both iOS & Android platforms for all Firebase services.",
+  "theme": {
+    "primary": "#e88533"
+  },
+  "logo": {
+    "light": "/rnfb-logo.png",
+    "dark": "/rnfb-logo.png"
+  },
+  "social": {
+    "x": "@invertaseio",
+    "github": "invertase/react-native-firebase"
+  },
   "sidebar": [
     {
       "group": "Getting Started",