Progress bar; readme update

app.py

@@ -15,7 +15,7 @@ with gr.Blocks() as demo:
     gr.Markdown('# MeloTTS\n\nAn unofficial demo of [MeloTTS](https://github.com/myshell-ai/MeloTTS) from MyShell AI. MeloTTS is a permissively licensed (MIT) SOTA multi-speaker TTS model.\n\nI am not affiliated with MyShell AI in any way.\n\nThis demo currently only supports English, but the model itself supports other languages.')
     with gr.Group():
         speaker = gr.Dropdown(speaker_ids.keys(), interactive=True, value='EN-Default', label='Speaker')
-        speed = gr.Slider(label='Speed', minimum=0.1, maximum=3.0, value=1.0, interactive=True)
+        speed = gr.Slider(label='Speed', minimum=0.1, maximum=10.0, value=1.0, interactive=True, step=0.1)
         text = gr.Textbox(label="Text to speak", value='The field of text to speech has seen rapid development recently')
     btn = gr.Button('Synthesize', variant='primary')
     aud = gr.Audio(interactive=False)