Sends Computing ID to backend.

src/app/models/sample.interface.ts

@@ -4,4 +4,5 @@ export interface Sample {
   initials?: string;
   date: Date;
   location: string;
+  computing_id?: string;
 }

src/app/print/print.component.ts

@@ -92,6 +92,7 @@ export class PrintComponent implements AfterViewInit {
       student_id: this.cardNum,
       date: this.dateCreated,
       location: this.settings.locationId,
+      computing_id: this.initials,
     };
 
     this.api.addSample(newSample).subscribe((result) => {