Documentation Updates (#79)

* Docs: Added Shadcn sidebar; added algorithm to automatically infer parents without needing to specify it.
* Extracted Markdoc compilation in a separate file
* Site Navigation: simplify nav by removing the border
* Docs Navigation: added TOC; improved layout on mobile

apps/web/app/(marketing)/_components/site-navigation.tsx

@@ -48,12 +48,8 @@ export function SiteNavigation() {
   return (
     <>
       <div className={'hidden items-center justify-center md:flex'}>
-        <NavigationMenu
-          className={
-            'rounded-full border border-gray-100 px-4 py-2 dark:border-primary/10'
-          }
-        >
-          <NavigationMenuList className={'space-x-4'}>
+        <NavigationMenu className={'px-4 py-2'}>
+          <NavigationMenuList className={'space-x-5'}>
             {NavItems}
           </NavigationMenuList>
         </NavigationMenu>