feat(v11): Popover

* Breaking changes *

- The `Popover` now uses a different markup. The trigger becomes a child of the component.
- The new `PopoverContent` becomes an additional child of the `Popover` component.
- remove `relative` property

types/Popover/PopoverContent.svelte.d.ts

@@ -0,0 +1,24 @@
+import type { SvelteComponentTyped } from "svelte";
+import type { SvelteHTMLElements } from "svelte/elements";
+
+type RestProps = SvelteHTMLElements["span"];
+
+export interface PopoverContentProps extends RestProps {
+  /**
+   * @default null
+   */
+  className?: undefined;
+
+  /**
+   * @default {}
+   */
+  contentProps?: {};
+
+  [key: `data-${string}`]: any;
+}
+
+export default class PopoverContent extends SvelteComponentTyped<
+  PopoverContentProps,
+  Record<string, any>,
+  { default: {} }
+> {}