fixed missing comment padding

src/renderer.typ

@@ -83,7 +83,7 @@
     let m = measure(cell.cell)
     widths.at(cell.i2 - 1) = calc.max(
       widths.at(cell.i2 - 1),
-      m.width / 1pt - widths.slice(cell.i1, cell.i2 - 1).sum()
+      m.width / 1pt + COMMENT-PAD - widths.slice(cell.i1, cell.i2 - 1).sum()
     )
   }