Add Gradio app and requirements for WBC ResNet50

app.py

@@ -80,7 +80,7 @@ description = "Upload a blood-smear image. Model resizes input to 224×224. If m
 demo = gr.Interface(
     fn=predict,
     inputs=gr.Image(type="pil", label="Upload image"),
-    outputs=gr.Label(num_top_classes=4, label="Predictions"),
+    outputs=gr.Label(num_top_classes=None, label="Predictions"),
     title=title,
     description=description,
     allow_flagging="never"