copy: rename site branding to Krishna

app/layout.tsx

@@ -32,8 +32,8 @@ const plexMono = IBM_Plex_Mono({
 })
 
 export const metadata: Metadata = {
-  title: { template: '%s | blog', default: 'blog' },
-  description: 'A sleek static blog with code and math.',
+  title: { template: '%s | Krishna', default: 'Krishna' },
+  description: 'A sleek static journal with code and math.',
 }
 
 export default function RootLayout({ children }: { children: React.ReactNode }) {