Submission from an external source initial commit

src/app/+import-external-page/import-external-page.component.ts

@@ -0,0 +1,13 @@
+import { Component, Injector, OnInit } from '@angular/core';
+
+/**
+ * Component representing the external import page of the submission.
+ */
+@Component({
+  selector: 'ds-import-external-page',
+  templateUrl: './import-external-page.component.html',
+  styleUrls: ['./import-external-page.component.scss']
+})
+export class ImportExternalPageComponent {
+
+}