Updated README Badges (#11117)

README.md

@@ -1,6 +1,20 @@
-[![Version](https://img.shields.io/cocoapods/v/Firebase.svg?style=flat)](https://cocoapods.org/pods/Firebase)
-[![License](https://img.shields.io/cocoapods/l/Firebase.svg?style=flat)](https://cocoapods.org/pods/Firebase)
-[![Platform](https://img.shields.io/cocoapods/p/Firebase.svg?style=flat)](https://cocoapods.org/pods/Firebase)
+<p align="center">
+  <a href="https://cocoapods.org/pods/Firebase">
+    <img src="https://img.shields.io/github/v/release/Firebase/firebase-ios-sdk?style=flat&label=CocoaPods"/>
+  </a>
+  <a href="https://swiftpackageindex.com/firebase/firebase-ios-sdk">
+    <img src="https://img.shields.io/github/v/release/Firebase/firebase-ios-sdk?style=flat&label=Swift%20Package%20Index&color=red"/>
+  </a>
+  <a href="https://cocoapods.org/pods/Firebase">
+    <img src="https://img.shields.io/github/license/Firebase/firebase-ios-sdk?style=flat"/>
+  </a><br/>
+  <a href="https://swiftpackageindex.com/firebase/firebase-ios-sdk">
+    <img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Ffirebase%2Ffirebase-ios-sdk%2Fbadge%3Ftype%3Dplatforms"/>
+  </a>
+  <a href="https://swiftpackageindex.com/firebase/firebase-ios-sdk">
+    <img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Ffirebase%2Ffirebase-ios-sdk%2Fbadge%3Ftype%3Dswift-versions"/>
+  </a>
+</p>
 
 # Firebase Apple Open Source Development