Added app reducer, fixed package issues, begun camera screen updates

redux/app/app.reducer.js

@@ -0,0 +1,39 @@
+import AppActionTypes from "./app.types";
+
+const INITIAL_STATE = {
+  cameraJobId: null,
+  documentUploadInProgress: null,
+  documentUploadError: null,
+};
+
+const appReducer = (state = INITIAL_STATE, action) => {
+  switch (action.type) {
+    case AppActionTypes.SET_CAMERA_JOB_ID:
+      return {
+        ...state,
+        cameraJobId: action.payload,
+      };
+    case AppActionTypes.DOCUMENT_UPLOAD_START:
+      return {
+        ...state,
+        documentUploadError: null,
+        documentUploadInProgress: action.payload,
+      };
+    case AppActionTypes.DOCUMNET_UPLOAD_SUCCESS:
+      return {
+        ...state,
+        documentUploadError: null,
+        documentUploadInProgress: null,
+      };
+    case AppActionTypes.DOCUMENT_UPLOAD_FAILURE:
+      return {
+        ...state,
+        documentUploadError: action.payload,
+        documentUploadInProgress: null,
+      };
+    default:
+      return state;
+  }
+};
+
+export default appReducer;