add requirements-optional.txt

requirements-optional.txt

@@ -0,0 +1,18 @@
+tiktoken>=0.3.2 # openai calculate token
+
+#voice
+pydub>=0.25.1 # need ffmpeg
+SpeechRecognition # google speech to text
+gTTS>=2.3.1 # google text to speech
+pyttsx3>=2.90 # pytsx text to speech
+baidu_aip>=4.16.10 # baidu voice
+# azure-cognitiveservices-speech # azure voice
+
+# wechaty
+wechaty>=0.10.7
+wechaty_puppet>=0.4.23
+pysilk_mod>=1.6.0 # needed by send voice
+
+# webuiapi plugin
+webuiapi>=0.6.2
+