feat: add DEFINES_MODULE to podspec for swift compatability (#142)

Author: davidliu

example/ios/Podfile.lock

@@ -513,7 +513,7 @@ SPEC CHECKSUMS:
   glog: 04b94705f318337d7ead9e6d17c019bd9b1f6b1b
   hermes-engine: 8b9dc37355d2e12879267382f4256afd356349a1
   libevent: 4049cae6c81cdb3654a443be001fb9bdceff7913
-  livekit-react-native: 9728e3a059af77e394b06e8aa1e893ec0b445ab4
+  livekit-react-native: 7093e6b22e6dd6f30005c4747a8c29f8b0261014
   livekit-react-native-webrtc: 866212979a99f022324c00a0b735c1141912a608
   RCT-Folly: 424b8c9a7a0b9ab2886ffe9c3b041ef628fd4fb1
   RCTRequired: c20235648eeb64a874f55459ceae6b081956318d

livekit-react-native.podspec

@@ -19,4 +19,9 @@ Pod::Spec.new do |s|
 
   s.dependency "React-Core"
   s.dependency "livekit-react-native-webrtc"
+
+  # Swift/Objective-C compatibility
+  s.pod_target_xcconfig = {
+    'DEFINES_MODULE' => 'YES'
+  }
 end