Added a basic donor class

ref #1

src/models/Donor.ts

@@ -0,0 +1,37 @@
+import {
+
+    IsInt,
+
+
+
+    IsString
+} from "class-validator";
+
+/**
+ * Defines the Donor class.
+*/
+export class Donor {
+    /**
+     * The donor's id.
+     */
+    @IsInt()
+    id: number;
+
+    /**
+     * The donor's first name.
+     */
+    @IsString()
+    firstname: string;
+
+    /**
+     * The donor's middle name.
+     */
+    @IsString()
+    middlename?: string;
+
+    /**
+     * The donor's last name.
+     */
+    @IsString()
+    lastname: string;
+}

src/models/Runner.ts

@@ -6,7 +6,7 @@ import {
 import { RunnerGroup } from './RunnerGroup';
 
 /**
- * Defines the contract runner class (from which the runner sponsoring contracts get generated).
+ * Defines the runner class (from which the runner sponsoring contracts get generated).
 */
 export class Runner {
     /**