implement method zeros about numsharp

[dotChris90]

already exist - just changed 1 thing and included the Assert.IsTrue again to unit Testing.

[Oceania2018]

Finished.

    [TestClass]
    public class NdArrayZerosTest
    {
        [TestMethod]
        public void Zeros1Dim()
        {
            var np = new NumPy<int>();
            var n = np.zeros(3);
            Assert.IsTrue(Enumerable.SequenceEqual(n.Data, new int[] { 0, 0, 0 }));
        }

        [TestMethod]
        public void Zeros2Dim()
        {
            var np = new NumPy<int>();
            var n = np.zeros(3, 2);
            Assert.IsTrue(Enumerable.SequenceEqual(n.Data, new int[] { 0, 0, 0, 0, 0, 0 }));
        }
    }