feat: add english (single speaker) to frontend

app.py

@@ -95,7 +95,7 @@ app_theme = gr.themes.Ocean(
 def update_speaker_choices(language):
     if language == "Twi":
         return gr.update(choices=["male", "female"], value="male")
-    elif language == "Ewe":
+    elif language in ["Ewe", "English"]:
         return gr.update(choices=["male"], value="male")
 
 
@@ -156,7 +156,7 @@ with gr.Blocks(
             input_video = gr.Video(label="Input Video", sources=["upload"])
             input_language = gr.Radio(
                 label="Select Language",
-                choices=["Twi", "Ewe"],
+                choices=["Twi", "Ewe", "English"],
                 value="Twi",
                 min_width=50,
                 container=True,