Initial commit

GuidDeviceIdProvider.cs

@@ -0,0 +1,15 @@
+using System;
+using RudderSdk.Core.Abstractions;
+
+namespace RudderSdk.Core;
+
+/// <summary>
+/// Default <see cref="IDeviceIdProvider"/> generating a random GUID per app run.
+/// Every run looks like a fresh device to the backend; provide a persistent
+/// implementation for production.
+/// </summary>
+public sealed class GuidDeviceIdProvider : IDeviceIdProvider
+{
+    /// <inheritdoc />
+    public string DeviceId { get; } = Guid.NewGuid().ToString("N");
+}