EsLint v9 (#154)

* Upgrade ESLint and related configurations to version 9

- Update ESLint to version 9.19.0
- Migrate ESLint configurations to flat config format
- Remove deprecated ESLint config files
- Update package dependencies and configurations
- Simplify ESLint setup across packages
- Remove unnecessary ESLint config blocks from package.json files
- Improved CI caching with Turborepo tasks
- Removed duplicate styles

apps/web/app/(marketing)/docs/[...slug]/page.tsx

@@ -63,7 +63,9 @@ async function DocumentationPage({ params }: DocumentationPageProps) {
       <div className={'flex overflow-y-hidden'}>
         <article className={cn('gap-y-12 overflow-y-auto px-6')}>
           <section className={'flex flex-col gap-y-2.5'}>
-            <h1 className={'text-3xl font-semibold text-foreground'}>{page.title}</h1>
+            <h1 className={'text-foreground text-3xl font-semibold'}>
+              {page.title}
+            </h1>
 
             <h2 className={'text-muted-foreground text-lg'}>{description}</h2>
           </section>