Add import type extension

Author: SteveL-MSFT

dsc_lib/src/extensions/dscextension.rs

@@ -41,13 +41,16 @@ pub enum Capability {
     Discover,
     /// The extension aids in retrieving secrets.
     Secret,
+    /// The extension imports configuration from a different format.
+    Import,
 }
 
 impl Display for Capability {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Capability::Discover => write!(f, "Discover"),
             Capability::Secret => write!(f, "Secret"),
+            Capability::Import => write!(f, "Import"),
         }
     }
 }

dsc_lib/src/extensions/import.rs

@@ -0,0 +1,3 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+

dsc_lib/src/extensions/mod.rs

@@ -5,3 +5,4 @@ pub mod discover;
 pub mod dscextension;
 pub mod extension_manifest;
 pub mod secret;
+pub mod import;