Add support for landscape image uploads for Facebook feeds

Add new `facebookLandscapeUrl` field to the `media` schema to accommodate 1200x630 image uploads for Facebook.

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Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
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shared/schema.ts

@@ -55,6 +55,7 @@ export const media = pgTable("media", {
   type: mediaTypeEnum("type").notNull(),
   cloudinaryPublicId: text("cloudinary_public_id"),
   originalUrl: text("original_url").notNull(),
+  facebookLandscapeUrl: text("facebook_landscape_url"),
   facebookFeedUrl: text("facebook_feed_url"),
   instagramFeedUrl: text("instagram_feed_url"),
   instagramStoryUrl: text("instagram_story_url"),