Revert "chore: remove Truncate since it does not exist in Carbon v11"

This reverts commit 5833536199.

types/Truncate/Truncate.svelte.d.ts

@@ -0,0 +1,19 @@
+import type { SvelteComponentTyped } from "svelte";
+import type { SvelteHTMLElements } from "svelte/elements";
+
+type RestProps = SvelteHTMLElements["p"];
+
+export interface TruncateProps extends RestProps {
+  /**
+   * @default "end"
+   */
+  clamp?: "end" | "front";
+
+  [key: `data-${string}`]: any;
+}
+
+export default class Truncate extends SvelteComponentTyped<
+  TruncateProps,
+  Record<string, any>,
+  { default: {} }
+> {}

types/Truncate/truncate.d.ts

@@ -0,0 +1,12 @@
+interface TruncateOptions {
+  clamp?: "end" | "front";
+}
+
+export function TruncateAction(
+  node: HTMLElement,
+  options?: TruncateOptions
+): {
+  update: (options?: TruncateOptions) => void;
+};
+
+export default TruncateAction;