Added ClearUserClients method to user client provider

Author: JKorf

HTX.Net/Clients/HTXUserClientProvider.cs

@@ -53,6 +53,13 @@ public void InitializeUserClient(string userIdentifier, ApiCredentials credentia
             CreateSocketClient(userIdentifier, credentials, environment);
         }
 
+        /// <inheritdoc />
+        public void ClearUserClients(string userIdentifier)
+        {
+            _restClients.TryRemove(userIdentifier, out _);
+            _socketClients.TryRemove(userIdentifier, out _);
+        }
+
         /// <inheritdoc />
         public IHTXRestClient GetRestClient(string userIdentifier, ApiCredentials? credentials = null, HTXEnvironment? environment = null)
         {

HTX.Net/Interfaces/Clients/IHTXUserClientProvider.cs

@@ -15,6 +15,11 @@ public interface IHTXUserClientProvider
         /// <param name="environment">The environment to use</param>
         void InitializeUserClient(string userIdentifier, ApiCredentials credentials, HTXEnvironment? environment = null);
 
+        /// <summary>
+        /// Reset the cached clients for a user. This can be useful when a user changes API credentials.
+        /// </summary>
+        public void ClearUserClients(string userIdentifier);
+
         /// <summary>
         /// Get the Rest client for a specific user. In case the client does not exist yet it will be created and the <paramref name="credentials"/> should be provided, unless <see cref="InitializeUserClient" /> has been called prior for this user.
         /// </summary>