Update app.py credits and README metadata

.gitattributes

@@ -0,0 +1 @@
+*.wav filter=lfs diff=lfs merge=lfs -text

README.md

@@ -1,3 +1,16 @@
+---
+title: Viterbox TTS
+emoji: 🎙️
+colorFrom: indigo
+colorTo: slate
+sdk: gradio
+sdk_version: 5.44.1
+app_file: app.py
+pinned: false
+license: cc-by-nc-4.0
+short_description: Vietnamese Text-to-Speech with Voice Cloning
+---
+
 <div align="center">
 
 # 🎙️ Viterbox

app.py

@@ -1,5 +1,10 @@
 """
 Viterbox - Gradio Web Interface
+
+Credits:
+- contextbox.tech
+- Nguyen Vinh Huy — nguyenvinhhuy@dtu.edu.vn
+- Nguyen Dinh Thuan — boyphuthien115@gmail.com
 """
 import torch
 import numpy as np
@@ -217,6 +222,15 @@ with gr.Blocks(
         with gr.Row():
             output_audio = gr.Audio(label="Generated Speech", type="numpy", scale=2)
             status_text = gr.Textbox(label="Status", lines=2, scale=1)
+            
+    # Footer
+    gr.HTML("""
+        <div style="text-align: center; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #334155; color: #94a3b8; font-size: 0.9rem;">
+            <p>Developed by <b>contextbox.tech</b></p>
+            <p>Nguyen Vinh Huy — <a href="mailto:nguyenvinhhuy@dtu.edu.vn" style="color: #6366f1; text-decoration: none;">nguyenvinhhuy@dtu.edu.vn</a></p>
+            <p>Nguyen Dinh Thuan — <a href="mailto:boyphuthien115@gmail.com" style="color: #6366f1; text-decoration: none;">boyphuthien115@gmail.com</a></p>
+        </div>
+    """)
     
     # Handlers
     sample_btn.click(