IVGCVSW-6382 Add Concat operator support to ONNX parser

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I435723160e9b639a70e0b48ee9d722d306461291
diff --git a/docs/01_01_parsers.dox b/docs/01_01_parsers.dox
index 689c062..244b21e 100644
--- a/docs/01_01_parsers.dox
+++ b/docs/01_01_parsers.dox
@@ -40,6 +40,9 @@
 - AveragePool
   - See the ONNX [AveragePool documentation](https://github.com/onnx/onnx/blob/master/docs/Operators.md#AveragePool) for more information.
 
+- Concat
+  - See the ONNX [Concat documentation](https://github.com/onnx/onnx/blob/master/docs/Operators.md#Concat) for more information.
+
 - Constant
   - See the ONNX [Constant documentation](https://github.com/onnx/onnx/blob/master/docs/Operators.md#Constant) for more information.