feat: Support for local DICOM drag and drop (#2445)

* Added drag and drop from local and local data source

* fix: dicom SR drag and drop from local

platform/viewer/public/html-templates/index.html

@@ -75,7 +75,7 @@
   <title>OHIF Viewer</title>
 
   <!-- WEB FONTS -->
-  <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700&display=swap" rel="stylesheet" />
+  <link href="https://fonts.googleapis.com/css?family=Lato:100,300,400,500,700&display=swap" rel="stylesheet" />
 
   <!-- EXTENSIONS -->
   <!-- <script type="text/javascript" src="path/to/some-extension.js"></script>