feat(PDF):Add PDF viewer (#2730)

Display DICOM encapsulated PDF documents in a PDF viewer.
Addressed the remaining PR comments, and am merging this.

platform/viewer/src/appInit.js

@@ -17,7 +17,6 @@ import {
   errorHandler
   // utils,
 } from '@ohif/core';
-import ConfigPoint from 'config-point';
 
 /**
  * @param {object|func} appConfigOrFunc - application configuration, or a function that returns application configuration
@@ -50,10 +49,6 @@ function appInit(appConfigOrFunc, defaultExtensions) {
     appConfig,
   });
 
-  // Load the default theme settings
-  const defaultTheme = config && config.defaultTheme || 'theme';
-  ConfigPoint.load(defaultTheme, '/theme', 'theme');
-
   servicesManager.registerServices([
     UINotificationService,
     UIModalService,

platform/viewer/src/index.js

@@ -24,6 +24,7 @@ import OHIFCornerstoneExtension from '@ohif/extension-cornerstone';
 import OHIFMeasurementTrackingExtension from '@ohif/extension-measurement-tracking';
 import OHIFDICOMSRExtension from '@ohif/extension-dicom-sr';
 import OHIFDICOMVIDEOExtension from '@ohif/extension-dicom-video';
+import OHIFDICOMPDFExtension from '@ohif/extension-dicom-pdf';
 
 /** Combine our appConfiguration and "baked-in" extensions */
 const appProps = {
@@ -34,11 +35,11 @@ const appProps = {
     OHIFMeasurementTrackingExtension,
     OHIFDICOMSRExtension,
     OHIFDICOMVIDEOExtension,
+    OHIFDICOMPDFExtension,
   ],
 };
 
 /** Create App */
 const app = React.createElement(App, appProps, null);
-
 /** Render */
 ReactDOM.render(app, document.getElementById('root'));