fix(header): render title in the aligned horizontal

src/main.zig

@@ -98,13 +98,14 @@ pub fn main() !void {
 
         var root_window = vx.window();
         root_window.clear();
+        // FIXME: this should not be necessary to clear the contents
         try vx.render(tty.anyWriter()); // re-draw after clear!
 
         header.draw(root_window.child(.{
             .x_off = 0,
             .y_off = 0,
-            .height = .{ .limit = 2 },
-            .border = .{ .where = .bottom },
+            .height = .{ .limit = 3 },
+            .border = .{ .where = .all },
         }));
 
         // Create a style