refactor: update column names in app.py to replace 'Model Owner' with 'Owner', improving clarity and consistency in data representation

app.py

@@ -25,7 +25,7 @@ df["URL"] = df.apply(
     axis=1,
 )
 df = df[
-    ["URL", "Platform", "Model Owner", "Device", "Model", "Optimization", "Median Inference Time", "Price per Image"]
+    ["URL", "Platform", "Owner", "Device", "Model", "Optimization", "Median Inference Time", "Price per Image"]
     + [
         col
         for col in df.columns.tolist()