Add user management

prisma/migrations/20260101122816_auth_3/migration.sql

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+-- AlterTable
+ALTER TABLE "session" ADD COLUMN     "impersonatedBy" TEXT;
+
+-- AlterTable
+ALTER TABLE "user" ADD COLUMN     "banExpires" TIMESTAMP(3),
+ADD COLUMN     "banReason" TEXT,
+ADD COLUMN     "banned" BOOLEAN DEFAULT false,
+ADD COLUMN     "role" TEXT NOT NULL DEFAULT 'user';