Fix some error

FIX:
    llm_provider.py 102: _model -> model
MOD:
    utility.py 25: add windows termial color print
    text_to_speech.py 29: add windows version
ADD:
    add termcolor in requirements.txt

sources/text_to_speech.py

@@ -3,11 +3,13 @@ from IPython.display import display, Audio
 import soundfile as sf
 import subprocess
 import re
+import platform
+
 
 class Speech():
     def __init__(self, language = "english") -> None:
         self.lang_map = {
-            "english": 'a', # 🇺🇸 'a' => American English 
+            "english": 'a', # 🇺🇸 'a' => American English
             "chinese": 'z', # 🇯🇵 'j' => Japanese: pip install misaki[ja]
             "japanese": 'j' # # 🇨🇳 'z' => Mandarin Chinese: pip install misaki[zh]
         }
@@ -20,11 +22,16 @@ class Speech():
             speed=1, split_pattern=r'\n+'
         )
         for i, (gs, ps, audio) in enumerate(generator):
-            audio_file = f'sample.wav'
+            audio_file = 'sample.wav'
+            print(audio_file)
             display(Audio(data=audio, rate=24000, autoplay=i==0))
             sf.write(audio_file, audio, 24000) # save each audio file
-            subprocess.call(["afplay", audio_file])
-    
+            if platform.system().lower() != "windows":
+                subprocess.call(["afplay", audio_file])
+            else:
+                import winsound
+                winsound.PlaySound(audio_file, winsound.SND_FILENAME)
+
     def clean_sentence(self, sentence):
         sentence = re.sub(r'`.*?`', '', sentence)
         sentence = re.sub(r'[^a-zA-Z0-9.,!? ]+', '', sentence)