Note re Hindi support on XTTS

Hindi support only works on XTTS model 2.0.3 and must use the API method (load it as APITTS) in the Generate window of the Gradio interface.

system/tts_engines/xtts/xtts_settings_page.py

@@ -303,6 +303,9 @@ def xtts_model_alltalk_settings(model_config_data):
                     
                     ### 🟧 API Local, XTTSv2 Generation methods & Speed
                     These two methods both produce sound output in slightly different ways. XTTSv2 is the perferable method a it supports DeepSpeed, which, if you have a system capable of DeepSpeed genereation, can result in a 2-3x speed gain in generation.
+                    
+                    ### 🟧 Hindi Support on XTTS
+                    Currently Hindi only works on XTTS model 2.0.3 and it has to be loaded as the API Local method.
                     """)
                 gr.Markdown("""
                     ### 🟧 How do I create a new voice sample?