update app.py

app.py

@@ -120,3 +120,24 @@ with col2:
                 )
     else:
         st.info("📥 Pakia picha na andika swali kisha bonyeza Tuma ili kupata jibu.")
+        
+# === Sidebar Footer Description ===
+st.sidebar.markdown("""
+---
+#Swahili VQA App
+
+This app allows users to ask questions about images in **Swahili**. Powered by a multimodal AI model trained on visual and textual data.
+
+## 🛠 How to Use
+
+1. 📤 Upload an image.  
+2. 💬 Type a question in Swahili.  
+3. 📩 Click **Tuma**.  
+4. 🤖 The model will return the top 5 possible answers with confidence bars.
+
+## 📌 Note
+🎓 Designed for educational and research purposes only
+
+
+Designed by Francis.
+""")