feat: rebuild board grid experience

packages/db/migrations/postgresql/0010_add_layout_gutters.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "layout" ADD COLUMN "left_gutter_column_count" smallint DEFAULT 0 NOT NULL;--> statement-breakpoint
+ALTER TABLE "layout" ADD COLUMN "right_gutter_column_count" smallint DEFAULT 0 NOT NULL;

packages/db/migrations/postgresql/meta/_journal.json

@@ -78,6 +78,13 @@
       "when": 1784305412862,
       "tag": "0010_custom_widget_v2_tables",
       "breakpoints": true
+    },
+    {
+      "idx": 11,
+      "version": "7",
+      "when": 1786212457549,
+      "tag": "0011_add_layout_gutters",
+      "breakpoints": true
     }
   ]
 }