Added docs and test

Assets/SamplePayment.cs

@@ -1,55 +0,0 @@
-using System;
-using Cysharp.Threading.Tasks;
-using UnityEngine;
-using UnityEngine.UI;
-
-namespace Darkmatter.Fonepay.Samples
-{
-    public class SamplePayment : MonoBehaviour
-    {
-        [SerializeField] private Image qrImage;
-        [SerializeField] private GameObject successObject;
-        [SerializeField] private GameObject failedObject;
-        [SerializeField] private Button payButton;
-
-        private void Start()
-        {
-            payButton.onClick.AddListener(OnPayButtonClicked);
-        }
-
-        private void OnPayButtonClicked()
-        {
-            InitiatePayment().Forget();
-        }
-
-        private async UniTask InitiatePayment()
-        {
-            var fonepay = new FonepayClient();
-            var request = new QrRequest
-            {
-                amount = 1f,
-                remarks1 = "mausham ko paisa"
-            };
-            var qr = await fonepay.PurchaseAsync(request, destroyCancellationToken);
-
-            if (qr.qrCode != null)
-            {
-                qrImage.sprite = Sprite.Create(
-                    qr.qrCode,
-                    new Rect(0, 0, qr.qrCode.width, qr.qrCode.height),
-                    new Vector2(0.5f, 0.5f));
-                qrImage.gameObject.SetActive(true);
-            }
-
-            var payment = await fonepay.AwaitPaymentAsync(
-                qr.thirdpartyQrWebSocketUrl,
-                onQrVerified: v => Debug.Log($"Fonepay QR verified: {v}"),
-                ct: destroyCancellationToken);
-            var ok = payment.Outcome == PaymentOutcome.Complete;
-
-            qrImage.gameObject.SetActive(false);
-            successObject.SetActive(ok);
-            failedObject.SetActive(!ok);
-        }
-    }
-}

Assets/SamplePayment.cs.meta

@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 57da22305386447fcabd663378359ede

Assets/Scenes/SampleScene.unity

@@ -445,7 +445,6 @@ GameObject:
   - component: {fileID: 508689485}
   - component: {fileID: 508689487}
   - component: {fileID: 508689486}
-  - component: {fileID: 508689488}
   m_Layer: 5
   m_Name: Image
   m_TagString: Untagged
@@ -515,22 +514,6 @@ CanvasRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 508689484}
   m_CullTransparentMesh: 1
---- !u!114 &508689488
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 508689484}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 57da22305386447fcabd663378359ede, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: Assembly-CSharp::Darkmatter.Fonepay.Samples.SamplePayment
-  qrImage: {fileID: 308706331}
-  successObject: {fileID: 454747}
-  failedObject: {fileID: 1400840764}
-  payButton: {fileID: 1002816889}
 --- !u!1 &519420028
 GameObject:
   m_ObjectHideFlags: 0