fix(doc): add import torch (#458)

Co-authored-by: zhouming <[email protected]>

Author: Ming

docs/cn/README.md

@@ -123,6 +123,7 @@ python examples/cmd/run.py "Please input your text."
 import ChatTTS
 from IPython.display import Audio
 import torchaudio
+import torch
 
 chat = ChatTTS.Chat()
 chat.load(compile=False) # Set to True for better performance

docs/es/README.md

@@ -120,6 +120,7 @@ python examples/cmd/run.py "Please input your text."
 import ChatTTS
 from IPython.display import Audio
 import torchaudio
+import torch
 
 chat = ChatTTS.Chat()
 chat.load(compile=False) # Set to True for better performance

docs/jp/README.md

@@ -34,6 +34,7 @@ ChatTTSは強力なテキストから音声へのシステムです。しかし
 ```python
 import ChatTTS
 from IPython.display import Audio
+import torch
 
 chat = ChatTTS.Chat()
 chat.load(compile=False) # より良いパフォーマンスのためにTrueに設定

docs/ru/README.md

@@ -34,6 +34,7 @@ ChatTTS - мощная система преобразования текста
 ```python
 import ChatTTS
 from IPython.display import Audio
+import torch
 
 chat = ChatTTS.Chat()
 chat.load(compile=False) # Установите значение True для лучшей производительности