Adds answer model

src/models/answer.test.ts

@@ -0,0 +1,13 @@
+import Answer from './answer';
+
+it('will set the question identifier', async () => {
+  const answer = new Answer;
+
+  expect(answer.for(1)).toHaveProperty('question', 1);
+});
+
+it('will set the answer value', async () => {
+  const answer = new Answer;
+
+  expect(answer.is('the answer')).toHaveProperty('value', 'the answer');
+});

src/models/answer.ts

@@ -0,0 +1,21 @@
+export default class Answer {
+  protected question: number | null;
+  protected value: string | null;
+
+  constructor() {
+    this.question = null;
+    this.value = null;
+  }
+
+  public for(question: number): this {
+    this.question = question;
+
+    return this;
+  }
+
+  public is(value: string): this {
+    this.value = value;
+
+    return this;
+  }
+}