firebase sdk installation and set up for iOS + connection test

ios/Railbird/AppDelegate.mm

@@ -1,4 +1,5 @@
 #import "AppDelegate.h"
+#import <Firebase/Firebase.h>
 
 #import <React/RCTBundleURLProvider.h>
 #import <React/RCTLinkingManager.h>
@@ -7,6 +8,9 @@
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
+// @generated begin @react-native-firebase/app-didFinishLaunchingWithOptions - expo prebuild (DO NOT MODIFY) sync-ecd111c37e49fdd1ed6354203cd6b1e2a38cccda
+[FIRApp configure];
+// @generated end @react-native-firebase/app-didFinishLaunchingWithOptions
   self.moduleName = @"main";
 
   // You can add your custom initial props in the dictionary below.

ios/Railbird/GoogleService-Info.plist

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CLIENT_ID</key>
+	<string>735905563616-ncd8794ocn2f25qmnaascn88upfgokp0.apps.googleusercontent.com</string>
+	<key>REVERSED_CLIENT_ID</key>
+	<string>com.googleusercontent.apps.735905563616-ncd8794ocn2f25qmnaascn88upfgokp0</string>
+	<key>API_KEY</key>
+	<string>AIzaSyCaLY9PMvTCIAVOdxRVfe0IheHt2OQBWMo</string>
+	<key>GCM_SENDER_ID</key>
+	<string>735905563616</string>
+	<key>PLIST_VERSION</key>
+	<string>1</string>
+	<key>BUNDLE_ID</key>
+	<string>ai.railbird.railbird</string>
+	<key>PROJECT_ID</key>
+	<string>railbird-infra</string>
+	<key>STORAGE_BUCKET</key>
+	<string>railbird-infra.appspot.com</string>
+	<key>IS_ADS_ENABLED</key>
+	<false></false>
+	<key>IS_ANALYTICS_ENABLED</key>
+	<false></false>
+	<key>IS_APPINVITE_ENABLED</key>
+	<true></true>
+	<key>IS_GCM_ENABLED</key>
+	<true></true>
+	<key>IS_SIGNIN_ENABLED</key>
+	<true></true>
+	<key>GOOGLE_APP_ID</key>
+	<string>1:735905563616:ios:446a9a672875a91c702185</string>
+</dict>
+</plist>

ios/Railbird/Info.plist

@@ -30,6 +30,12 @@
           <string>ai.railbird.railbird</string>
         </array>
       </dict>
+      <dict>
+        <key>CFBundleURLSchemes</key>
+        <array>
+          <string>com.googleusercontent.apps.735905563616-ncd8794ocn2f25qmnaascn88upfgokp0</string>
+        </array>
+      </dict>
     </array>
     <key>CFBundleVersion</key>
     <string>1</string>