Add script to import data from JSON files into the database
Creates a new TypeScript script `scripts/import-data.ts` that reads data from a JSON file and imports it into the database, supporting various tables including sessions, users, media outlets, articles, prediction markets, auctions, bids, and more.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: aabe2db1-f078-4501-aab5-be145ebc6b9a
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
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