docs: visualization

Author: kozistr

docs/visualization.md

@@ -302,6 +302,10 @@
 
 ![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rastrigin_ScheduleFreeSGD.png)
 
+### SCION
+
+![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rastrigin_SCION.png)
+
 ### SGD
 
 ![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rastrigin_SGD.png)
@@ -668,6 +672,10 @@
 
 ![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rosenbrock_ScheduleFreeSGD.png)
 
+### SCION
+
+![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rosenbrock_SCION.png)
+
 ### SGD
 
 ![image](https://raw.githubusercontent.com/kozistr/pytorch_optimizer/main/docs/visualizations/rosenbrock_SGD.png)