add instructor invite code..

prisma/migrations/20260714110000_add_launcher_manual_document_creator/migration.sql

@@ -0,0 +1,7 @@
+ALTER TABLE "launcher_manual_documents"
+  ADD COLUMN IF NOT EXISTS "created_by_id" UUID,
+  ADD COLUMN IF NOT EXISTS "created_by_name" TEXT,
+  ADD COLUMN IF NOT EXISTS "created_by_email" TEXT;
+
+CREATE INDEX IF NOT EXISTS "launcher_manual_documents_created_by_email_idx"
+  ON "launcher_manual_documents"("created_by_email");