feat(hw_cdc): adds the example to idf_component.yml

Adds the example to the list of example in the ESP32 Registry.

Author: SuGlider

idf_component.yml

@@ -96,3 +96,4 @@ dependencies:
     require: public
 examples:
   - path: ./idf_component_examples/hello_world
+  - path: ./idf_component_examples/hw_cdc_hello_world