Added Header, Icon and MessageModal. Refactor screens into directories.

mobile/ios/Podfile.lock

@@ -70,8 +70,6 @@ PODS:
     - React/Core
     - React/fishhook
     - React/RCTBlob
-  - ReactNativeNavigation (1.1.407):
-    - React
   - ViroKit (1.0):
     - AWSDynamoDB (~> 2.6.7)
     - GVRAudioSDK (= 1.120.0)
@@ -93,7 +91,6 @@ DEPENDENCIES:
   - React/RCTNetwork (from `../node_modules/react-native`)
   - React/RCTText (from `../node_modules/react-native`)
   - React/RCTWebSocket (from `../node_modules/react-native`)
-  - ReactNativeNavigation (from `../node_modules/react-native-navigation/ios/ReactNativeNavigation.podspec`)
   - ViroKit (from `../node_modules/react-viro/ios/dist/ViroRenderer/`)
   - ViroReact (from `../node_modules/react-viro/ios/`)
   - yoga (from `../node_modules/react-native/ReactCommon/yoga`)
@@ -119,8 +116,6 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native"
   react-native-maps:
     :path: "../node_modules/react-native-maps"
-  ReactNativeNavigation:
-    :podspec: "../node_modules/react-native-navigation/ios/ReactNativeNavigation.podspec"
   ViroKit:
     :path: "../node_modules/react-viro/ios/dist/ViroRenderer/"
   ViroReact:
@@ -141,11 +136,10 @@ SPEC CHECKSUMS:
   GVRSDK: 0cb9d0ce06a84d698e61e3db9509766022dcf815
   React: 541ba768b9855e10cdc76f55427a5cd0653ca806
   react-native-maps: 066c2afcc89e18726377bcc685315f989ca22449
-  ReactNativeNavigation: 0a0de59d82ed1accc9b762037752b11d794c7a4c
   ViroKit: 9631f301ef6a3f56116b23d6aac5d5c2307aa368
   ViroReact: 5520f26ac4654e361786c82da3b29ce0402c3c00
   yoga: 17521bbb0dd54a47c0b3ac43253e78cdac7488e0
 
-PODFILE CHECKSUM: b13c8a6ef20af9f80e486813619c4b2833c402f8
+PODFILE CHECKSUM: 1de520fb7d323b83502ffda9c5bf993f7545cfa9
 
 COCOAPODS: 1.5.0.beta.1