COMPMID-915: Create ResNet50 example

ResidualLayer node (COMPMID-916) also created as required for the ResNet
architecture.

Change-Id: I4fb4d2e08a8d3ce206f96f7946f5afc3e244676a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/121185
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/graph/Types.h b/arm_compute/graph/Types.h
index 3ec0c7a..a5d6ae8 100644
--- a/arm_compute/graph/Types.h
+++ b/arm_compute/graph/Types.h
@@ -91,6 +91,7 @@
 enum class OperationType
 {
     ActivationLayer,
+    ArithmeticAddition,
     BatchNormalizationLayer,
     ConvolutionLayer,
     DepthConvertLayer,