fix init ndarray in int array. #884

Author: Oceania2018

src/TensorFlowNET.Core/Numpy/NDArray.Creation.cs

@@ -25,6 +25,9 @@ public NDArray(Shape shape, TF_DataType dtype = TF_DataType.TF_DOUBLE) : base(sh
         public NDArray(byte[] bytes, Shape shape, TF_DataType dtype) : base(bytes, shape, dtype) 
             => NewEagerTensorHandle();
 
+        public NDArray(int[] value, Shape? shape = null) : base(value, shape)
+            => NewEagerTensorHandle();
+
         public NDArray(long[] value, Shape? shape = null) : base(value, shape) 
             => NewEagerTensorHandle();