Add ReadKey to IConsole (#111)

Co-authored-by: Alexey Golub <tyrrrrrr@gmail.com>

CliFx/Infrastructure/FakeConsole.cs

@@ -84,13 +84,18 @@ namespace CliFx.Infrastructure
                 _cancellationTokenSource.Cancel();
             }
         }
-        
+
         /// <inheritdoc />
         public void Clear()
         {
         }
 
+        /// <inheritdoc />
+        public void ReadKey(bool intercept = false)
+        {
+        }
+
         /// <inheritdoc />
         public virtual void Dispose() => _cancellationTokenSource.Dispose();
     }
-}
+}

CliFx/Infrastructure/IConsole.cs

@@ -87,6 +87,11 @@ namespace CliFx.Infrastructure
         /// Clears the console buffer and corresponding console window of display information.
         /// </summary>
         void Clear();
+
+        /// <summary>
+        /// Obtains the next character or function key pressed by the user.
+        /// </summary>
+        void ReadKey(bool intercept = false);
     }
 
     /// <summary>
@@ -131,4 +136,4 @@ namespace CliFx.Infrastructure
                 console.WithBackgroundColor(backgroundColor)
             );
     }
-}
+}

CliFx/Infrastructure/SystemConsole.cs

@@ -89,10 +89,13 @@ namespace CliFx.Infrastructure
 
             return (_cancellationTokenSource = cts).Token;
         }
-        
+
         /// <inheritdoc />
         public void Clear() => Console.Clear();
 
+        /// <inheritdoc />
+        public void ReadKey(bool intercept = false) => Console.ReadKey(intercept);
+
         /// <inheritdoc />
         public void Dispose()
         {
@@ -103,4 +106,4 @@ namespace CliFx.Infrastructure
             Error.Dispose();
         }
     }
-}
+}