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/Search/Hits/GroupName/index.tsx

@@ -0,0 +1,21 @@
+import clsx from "clsx"
+
+type SearchHitGroupNameProps = {
+  name: string
+}
+
+const SearchHitGroupName = ({ name }: SearchHitGroupNameProps) => {
+  return (
+    <span
+      className={clsx(
+        "pb-0.25 flex px-0.5 pt-1",
+        "text-medusa-fg-muted dark:text-medusa-fg-muted-dark",
+        "text-compact-x-small-plus"
+      )}
+    >
+      {name}
+    </span>
+  )
+}
+
+export default SearchHitGroupName