Added SecretsManager

Added ISecrets

Added ISecretsProvider

essentials-framework/Essentials Core/PepperDashEssentialsBase/Secrets/Interfaces.cs

@@ -0,0 +1,18 @@
+using PepperDash.Core;
+
+namespace PepperDash.Essentials.Core
+{
+    public interface ISecretProvider : IKeyed
+    {
+        void SetSecret(string key, object value);
+
+        ISecret GetSecret(string key);
+    }
+
+    public interface ISecret
+    {
+        ISecretProvider Provider { get; }
+        string Key { get; }
+        object Value { get; }
+    }
+}