feat: update blog structure and content for balodeplao.com

src/types/types.d.ts

@@ -46,6 +46,7 @@ export interface HeroProps extends HeadlineProps {
   description?: string; // override or additional? Hero has description, Headline has subtitle. Hero has actions.
   actions?: string | CallToAction[];
   image?: ImageMetadata | string; // Just in case, though checked Hero.astro and it uses slots mostly or props.
+  bgImage?: string;
 }
 
 export interface FeaturesProps extends HeadlineProps {