Add progress task list support

src/Spectre.Console/InteractionSupport.cs

@@ -0,0 +1,24 @@
+namespace Spectre.Console
+{
+    /// <summary>
+    /// Determines interactivity support.
+    /// </summary>
+    public enum InteractionSupport
+    {
+        /// <summary>
+        /// Interaction support should be
+        /// detected by the system.
+        /// </summary>
+        Detect = 0,
+
+        /// <summary>
+        /// Interactivity is supported.
+        /// </summary>
+        Yes = 1,
+
+        /// <summary>
+        /// Interactivity is not supported.
+        /// </summary>
+        No = 2,
+    }
+}