new package UniTask

Packages/manifest.json

 {
   "dependencies": {
     "com.bshsf.loom": "https://github.com/Bian-Sh/Loom.git?path=Packages/Loom",
+    "com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask",
     "com.psygames.unitywebsocket": "https://github.com/psygames/UnityWebSocket.git#upm",
     "com.unity.2d.sprite": "1.0.0",
     "com.unity.addressables": "2.4.6",

Packages/packages-lock.json

@@ -7,6 +7,13 @@
       "dependencies": {},
       "hash": "53df26692e7545daccbea387fef6fbd611f89fd7"
     },
+    "com.cysharp.unitask": {
+      "version": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "64285ae060c9fe2aeb2a73b076b160939ce3be1a"
+    },
     "com.psygames.unitywebsocket": {
       "version": "https://github.com/psygames/UnityWebSocket.git#upm",
       "depth": 0,