add custom head component

types/Head/HeadAction.d.ts

@@ -0,0 +1,26 @@
+/// <reference types="svelte" />
+
+export interface HeadActionProps {
+  /**
+   * Specify the href attribute
+   */
+  href?: string;
+
+  /**
+   * Specify the icon from `carbon-icons-svelte` to render
+   */
+  icon?: typeof import("carbon-icons-svelte").CarbonIcon;
+
+  /**
+   * Specify the description
+   */
+  description?: string;
+}
+
+export default class HeadAction {
+  $$prop_def: HeadActionProps;
+  $$slot_def: {};
+
+  $on(eventname: "click", cb: (event: WindowEventMap["click"]) => void): () => void;
+  $on(eventname: string, cb: (event: Event) => void): () => void;
+}