Change default stddev to 0.05f for RandomNormal.

src/TensorFlowNET.Core/APIs/tf.init.cs

@@ -88,7 +88,7 @@ namespace Tensorflow
         public class InitializersImpl
         {
             public IInitializer random_normal_initializer(float mean = 0.0f,
-                float stddev = 1.0f,
+                float stddev = 0.05f,
                 int? seed = null,
                 TF_DataType dtype = TF_DataType.TF_FLOAT) => new RandomNormal(mean: mean,
                     stddev: stddev,

src/TensorFlowNET.Core/Operations/Initializers/RandomNormal.cs

@@ -28,7 +28,7 @@ namespace Tensorflow.Operations.Initializers
         private TF_DataType dtype;
 
         public RandomNormal(float mean = 0.0f,
-            float stddev = 1.0f,
+            float stddev = 0.05f,
             int? seed = null,
             TF_DataType dtype = TF_DataType.TF_FLOAT)
         {