api: move to atomic password reset

Notesnook.API/Models/ResetPasswordForm.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Notesnook.API.Models
+{
+    public class ResetPasswordForm
+    {
+        [Required]
+        public required string NewPassword
+        {
+            get; set;
+        }
+
+        [Required]
+        public required UserKeys UserKeys
+        {
+            get; set;
+        }
+    }
+}