Initial commit: itinova-podcasts v1

Stack: Node.js/Express + React/Vite + tRPC + MySQL (Drizzle ORM)
Features: Gestion de podcasts, établissements, mots-clés, upload audio S3
Migrations: 0000-0002 (users, etablissements, mots_cles, podcasts, podcast_mots_cles)

drizzle/0002_blue_jane_foster.sql

@@ -0,0 +1,4 @@
+ALTER TABLE `users` ADD `username` varchar(64);--> statement-breakpoint
+ALTER TABLE `users` ADD `passwordHash` varchar(255);--> statement-breakpoint
+ALTER TABLE `users` ADD `immutable` boolean DEFAULT false NOT NULL;--> statement-breakpoint
+ALTER TABLE `users` ADD CONSTRAINT `users_username_unique` UNIQUE(`username`);