Abstracted a little bit more for potential company runner import

src/models/actions/ImportRunner.ts

@@ -1,6 +1,6 @@
 import { IsNotEmpty, IsOptional, IsString } from 'class-validator';
 
-export class ImportRunner {
+export abstract class ImportRunner {
 
     /**
      * The new runner's first name.
@@ -23,4 +23,6 @@ export class ImportRunner {
     @IsString()
     @IsNotEmpty()
     lastname: string;
+
+    public abstract toCreateRunner(groupID?: number);
 }