Update dashboard.py

dashboard.py

@@ -125,7 +125,18 @@ button2 = pn.widgets.Button(name="Entity/Relation Types:", button_type="warning"
 button3 = pn.widgets.Button(name="Top Key Entities", button_type="warning", icon="chart-bar", styles={"width": "100%"})
 button4 = pn.widgets.Button(name="Ontology Coverage", button_type="warning", icon="chart-dots-filled", styles={"width": "100%"})
 button5 = pn.widgets.Button(name="Causal Relation Chord Diagrams", button_type="warning", icon="chart-dots-filled", styles={"width": "100%"})
-
+# Define child buttons
+child_button_1 = pn.widgets.Button(name="Child 1", button_type="primary")
+child_button_2 = pn.widgets.Button(name="Child 2", button_type="primary")
+child_button_3 = pn.widgets.Button(name="Child 2", button_type="primary")
+child_button_4 = pn.widgets.Button(name="Child 2", button_type="primary")
+child_button_5 = pn.widgets.Button(name="Child 2", button_type="primary")
+# Layout: dendrogram-style using vertical + indent
+tree_layout = pn.Column(
+    button5,
+    pn.Row(pn.Spacer(width=40),  # indent
+           pn.Column(child_button_1, child_button_2,child_button_3,child_button_4, child_button_5))
+)
 
 entRelsButton = pn.widgets.RadioButtonGroup(name='### Select', options=['Entity','Relation'], value = 'Entity' )