Added a method to reset Vault token manually (#44)

* Added a method to reset Vault token manually

* Fixed linter

Source/VaultSharp.Extensions.Configuration/VaultChangeWatcher.cs

@@ -32,7 +32,7 @@ public VaultChangeWatcher(IConfiguration configuration, ILogger? logger = null)
             }
 
             this._logger = logger;
-
+            
             this._configProviders = configurationRoot.Providers.OfType<VaultConfigurationProvider>().Where(p => p.ConfigurationSource.Options.ReloadOnChange).ToList() !;
         }
 

Source/VaultSharp.Extensions.Configuration/VaultConfigurationProvider.cs

@@ -115,6 +115,13 @@ public override void Load()
             }
         }
 
+        /// <summary>
+        /// This will fetch the vault token again before the new operation.
+        /// Use IConfiguration object: configurationRoot.Providers.OfType&lt;VaultConfigurationProvider&lt;().FirstOrDefault().ResetToken(); 
+        /// See https://github.com/rajanadar/VaultSharp/blob/34ab400c2a295f4a81d97fc5d65f38509c7e0f05/README.md?plain=1#L92
+        /// </summary>
+        public void ResetToken() => this.vaultClient?.V1.Auth.ResetVaultToken();
+
         private async Task<bool> LoadVaultDataAsync(IVaultClient vaultClient)
         {
             var hasChanges = false;