change legend orientation on the vector space 3d plot

app.py

@@ -636,7 +636,7 @@ closest_doc = docs[closest_doc_index]
 for doc in docs:
     fig.add_trace(go.Scatter3d(x=[query[0], doc[0]], y=[query[1], doc[1]], z=[query[2], doc[2]], mode='lines', line=dict(color='purple', width=2, dash='dash')))
 fig.add_trace(go.Scatter3d(x=[query[0], closest_doc[0]], y=[query[1], closest_doc[1]], z=[query[2], closest_doc[2]], name='closest', mode='lines', line=dict(color='purple', width=2)))
-
+fig.update_layout(legend=dict(orientation="h"))
 st.plotly_chart(fig, use_container_width=True)
 
 st.write("""\