I can hide and show the columns, and it dynamically updates the grid

src/myfasthtml/controls/helpers.py

@@ -1,8 +1,16 @@
+from fastcore.xml import FT
 from fasthtml.components import *
 
 from myfasthtml.core.bindings import Binding
 from myfasthtml.core.commands import Command, CommandTemplate
+from myfasthtml.core.constants import ColumnType
 from myfasthtml.core.utils import merge_classes
+from myfasthtml.icons.fluent import question20_regular, brain_circuit20_regular, number_row20_regular, \
+  number_symbol20_regular
+from myfasthtml.icons.fluent_p1 import checkbox_checked20_regular, checkbox_unchecked20_regular, \
+  checkbox_checked20_filled
+from myfasthtml.icons.fluent_p2 import text_bullet_list_square20_regular, text_field20_regular
+from myfasthtml.icons.fluent_p3 import calendar_ltr20_regular
 
 
 class Ids:
@@ -96,7 +104,7 @@ class mk:
             command: Command | CommandTemplate = None,
             binding: Binding = None,
             **kwargs):
-    merged_cls = merge_classes("flex truncate", cls, kwargs)
+    merged_cls = merge_classes("flex truncate items-center", cls, kwargs)
     icon_part = Span(icon, cls=f"mf-icon-{mk.convert_size(size)} mr-1") if icon else None
     text_part = Span(text, cls=f"text-{size}")
     return mk.mk(Label(icon_part, text_part, cls=merged_cls, **kwargs), command=command, binding=binding)
@@ -138,3 +146,19 @@ class mk:
     ft = mk.manage_command(ft, command) if command else ft
     ft = mk.manage_binding(ft, binding, init_binding=init_binding) if binding else ft
     return ft
+
+
+icons = {
+    None: question20_regular,
+    True: checkbox_checked20_regular,
+    False: checkbox_unchecked20_regular,
+    
+    "Brain": brain_circuit20_regular,
+    
+    ColumnType.RowIndex: number_symbol20_regular,
+    ColumnType.Text: text_field20_regular,
+    ColumnType.Number: number_row20_regular,
+    ColumnType.Datetime: calendar_ltr20_regular,
+    ColumnType.Bool: checkbox_checked20_filled,
+    ColumnType.List: text_bullet_list_square20_regular,
+}