Implement Sync drive

Author: Lamparter

src/Files.App/Utils/Cloud/CloudProviders.cs

@@ -45,6 +45,8 @@ public enum CloudProviders
 
 		LucidLink,
 
-		kDrive
+		kDrive,
+
+		Sync
 	}
 }

src/Files.App/Utils/Cloud/Detector/CloudDetector.cs

@@ -34,6 +34,7 @@ private static IEnumerable<ICloudDetector> EnumerateDetectors()
 			yield return new GenericCloudDetector();
 			yield return new SynologyDriveCloudDetector();
 			yield return new LucidLinkCloudDetector();
+			yield return new SyncCloudDetector();
 		}
 	}
 }

src/Files.App/Utils/Cloud/Detector/SyncCloudDetector.cs

@@ -0,0 +1,31 @@
+using System.IO;
+using Windows.Storage;
+
+namespace Files.App.Utils.Cloud
+{
+	/// <summary>
+	/// Provides a utility for Sync Cloud detection.
+	/// </summary>
+	public sealed class SyncCloudDetector : AbstractCloudDetector
+	{
+		protected override async IAsyncEnumerable<ICloudProvider> GetProviders()
+		{
+			string syncFolderPath = Path.Combine(Constants.UserEnvironmentPaths.HomePath, "Sync");
+
+			if (Directory.Exists(syncFolderPath))
+			{
+				foreach (string directory in Directory.GetDirectories(syncFolderPath))
+				{
+					var folder = await StorageFolder.GetFolderFromPathAsync(directory);
+
+					yield return new CloudProvider(CloudProviders.Sync)
+					{
+						Name = $"Sync - {folder.Name}",
+						SyncFolder = directory,
+						// IconData = (needs icon)
+					};
+				}
+			}
+		}
+	}
+}