breaking(ui-shell): remove GlobalHeader, SideNav folders (#1223)

* breaking(ui-shell): remove GlobalHeader/SideNav folders

* Run "yarn build:docs"

types/UIShell/SideNavLink.svelte.d.ts

@@ -0,0 +1,41 @@
+/// <reference types="svelte" />
+import { SvelteComponentTyped } from "svelte";
+
+export interface SideNavLinkProps
+  extends svelte.JSX.HTMLAttributes<HTMLElementTagNameMap["a"]> {
+  /**
+   * Set to `true` to select the current link
+   * @default false
+   */
+  isSelected?: boolean;
+
+  /**
+   * Specify the `href` attribute
+   * @default undefined
+   */
+  href?: string;
+
+  /**
+   * Specify the text
+   * @default undefined
+   */
+  text?: string;
+
+  /**
+   * Specify the icon to render
+   * @default undefined
+   */
+  icon?: typeof import("svelte").SvelteComponent;
+
+  /**
+   * Obtain a reference to the HTML anchor element
+   * @default null
+   */
+  ref?: null | HTMLAnchorElement;
+}
+
+export default class SideNavLink extends SvelteComponentTyped<
+  SideNavLinkProps,
+  { click: WindowEventMap["click"] },
+  { default: {}; icon: {} }
+> {}