MediaSourcePlaceholderType

const MediaSourcePlaceholderType: z.ZodEnum<{ blurhash: "blurhash"; solid: "solid"; }>

TODO: Possible placeholder types:

• blurhash: uses https://blurha.sh/
• solid: uses a solid color
• thumbhash: uses https://evanw.github.io/thumbhash/
• lqip-modern: uses https://github.com/transitive-bullshit/lqip-modern
• sqip: uses https://github.com/axe312ger/sqip

Additional performance considerations: https://csswizardry.com/2023/09/the-ultimate-lqip-lcp-technique/