Add divider lines to the XML Unit validator result table

Fixes #9

main.py

@@ -317,13 +317,14 @@ class page():
         for row_num, (line_num, details) in enumerate(invalid_units.items()):
             warnings_div = column([Div(text=warning, css_classes=["msg-negative"]) for warning in details.get("warnings", [])])
             unit_row = [
-                (Div(text=str(line_num), height_policy="min", css_classes=["msg-neutral"]), 2*row_num, 0),
-                (Div(text=details["unit"], css_classes=["msg-raw"]), 2*row_num, 1),
-                (Div(text=f"{dsiUnit(details['unit']).toLatex()}", width=150), 2*row_num, 2),
-                (warnings_div, 2*row_num, 3),
-                (Div(text="", height=20), 2*row_num+1, 0, 1, 4)
+                (Div(text="", css_classes=["divider-hline"]), 2*row_num, 0, 1, 4),
+                (Div(text=str(line_num), height_policy="min", css_classes=["msg-neutral"]), 2*row_num+1, 0),
+                (Div(text=details["unit"], css_classes=["msg-raw"]), 2*row_num+1, 1),
+                (Div(text=f"{dsiUnit(details['unit']).toLatex()}", width=150), 2*row_num+1, 2),
+                (warnings_div, 2*row_num+1, 3),
             ]
             self.invalid_units_list.children += unit_row
+        self.invalid_units_list.children += [(Div(text="", css_classes=["divider-hline"]), 2*len(invalid_units.items()), 0, 1, 4),]
 
     def compare(self):
         self.dsiInput1.parseInput()