Add docs

docs/components/display.md

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+# Display
+
+Компоненты отображения: GridAvatar, Gallery, Accordion и др.
+
+## Import
+
+```ts
+import { GridAvatar, Gallery, Accordion } from "@tria/ui";
+```
+
+## Examples
+
+```tsx
+<GridAvatar items={[{ id:"u1", title:"Alex", initials:"A" }]} cols={2} size={36} />
+```