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

redux/app/app.selectors.js

@@ -0,0 +1,16 @@
+import { createSelector } from "reselect";
+
+const selectApp = (state) => state.app;
+
+export const selectCurrentCameraJobId = createSelector(
+  [selectApp],
+  (user) => app.cameraJobId
+);
+export const selectDocumentUploadInProgress = createSelector(
+  [selectApp],
+  (user) => app.documentUploadInProgress
+);
+export const selectDocumentUploadError = createSelector(
+  [selectApp],
+  (user) => app.documentUploadError
+);