[STAYS-521] Add cancel booking to Stays (#745)

* feat(stays): add cancel to Booking resource

* test(stays): add cancel booking test

src/Stays/Bookings/Bookings.spec.ts

@@ -49,4 +49,19 @@ describe('Stays/Bookings', () => {
     const response = await duffel.stays.bookings.get('bok_123')
     expect(response.data).toEqual(mockResponse.data)
   })
+
+  it('should post to /stays/bookings/{id}/actions/cancel when `cancel` is called', async () => {
+    const mockResponse = {
+      data: {
+        ...MOCK_BOOKING,
+        status: 'cancelled',
+      },
+    }
+
+    nock(/(.*)/)
+      .post('/stays/bookings/bok_123/actions/cancel')
+      .reply(200, mockResponse)
+    const response = await duffel.stays.bookings.cancel('bok_123')
+    expect(response.data).toEqual(mockResponse.data)
+  })
 })

src/Stays/Bookings/Bookings.ts

@@ -52,11 +52,23 @@ export class Bookings extends Resource {
     })
 
   /**
-   * list bookings
+   * List bookings
    */
   public list = async (): Promise<DuffelResponse<StaysBooking[]>> =>
     this.request({
       method: 'GET',
       path: this.path,
     })
+
+  /**
+   * Cancel a booking
+   * @param {string} bookingId - The ID of the booking
+   */
+  public cancel = async (
+    bookindId: string
+  ): Promise<DuffelResponse<StaysBooking>> =>
+    this.request({
+      method: 'POST',
+      path: `${this.path}/${bookindId}/actions/cancel`,
+    })
 }