docs,api-ref: added search filters (#4830)

* initial implementation of search modal

* added hit and search suggestions

* added support for multiple indices

* updated sample env

* added close when click outside dropdown

* test for mobile

* added mobile design

* added shortcut

* dark mode fixes

* added search to docs

* added plugins filter

* added React import

* moved filters to configurations

* handled error on page load

* change suggestion text

* removed hits limit

* handle select all

* open link in current tab

* change highlight colors

* added support for shortcuts + auto focus

* change header and footer

* redesigned search ui

www/api-reference/components/Icons/TreeNode/index.tsx

@@ -0,0 +1,36 @@
+import IconProps from "../types"
+
+const IconTreeNode = ({ iconColorClassName, ...props }: IconProps) => {
+  return (
+    <svg
+      width={props.width || 16}
+      height={props.height || 32}
+      viewBox="0 0 16 32"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+      {...props}
+    >
+      <rect
+        width="1"
+        height="32"
+        rx="0.5"
+        className={
+          iconColorClassName ||
+          "fill-medusa-fg-subtle dark:fill-medusa-fg-subtle-dark"
+        }
+      />
+      <rect
+        y="15.5"
+        width="16"
+        height="1"
+        rx="0.5"
+        className={
+          iconColorClassName ||
+          "fill-medusa-fg-subtle dark:fill-medusa-fg-subtle-dark"
+        }
+      />
+    </svg>
+  )
+}
+
+export default IconTreeNode