docs: S2 docs newest testing fixes (#9241)

* add component page descriptions

* fix markdown script links to work for no extension and query/hash

* add relatedPages for Autocomplete and Toast

* support external links in sidenav

* fix broken relatedPages

* clean up url normalization in markdown script

* fix long page titles in OG image script

* shorten descriptions

* improve descriptions

* fix accordion jsdoc

* consolidate SearchMenu and MobileSearchMenu logic

* fix more missing descriptions

* fix typos

* update descriptions to match existing docs

* add descriptions to index page

* remove component names from descriptions

* shorten longer descriptions

* lint

Author: reidbarber

packages/@react-spectrum/s2/src/Accordion.tsx

@@ -55,7 +55,7 @@ const accordion = style({
 export const AccordionContext = createContext<ContextValue<Partial<AccordionProps>, DOMRefValue<HTMLDivElement>>>(null);
 
 /**
- * An accordion is a container for multiple disclosures.
+ * An accordion is a container for multiple accordion items.
  */
 export const Accordion = forwardRef(function Accordion(props: AccordionProps, ref: DOMRef<HTMLDivElement>) {
   [props, ref] = useSpectrumContextProps(props, ref, AccordionContext);