feat: shared tile grid for plugin pages and many-tile dashboard cards (SDK 1.0.26)

src/ui/components/tile-grid/index.ts

@@ -0,0 +1,4 @@
+export { TileGrid, type TileGridProps } from "./TileGrid";
+export { TileFrame } from "./TileFrame";
+export { TilePicker, type TileKind, type TilePickerEntry } from "./TilePicker";
+export * from "./layout";