feat(db): add 4 reference models with initial migrations

eme-backend/prisma/migrations/20260604103016_add_defaults_and_timestamps/migration.sql

@@ -0,0 +1,25 @@
+BEGIN TRY
+
+BEGIN TRAN;
+
+-- AlterTable
+ALTER TABLE [dbo].[campus] ADD CONSTRAINT [campus_actif_df] DEFAULT 1 FOR [actif], CONSTRAINT [campus_created_at_df] DEFAULT CURRENT_TIMESTAMP FOR [created_at];
+
+-- AlterTable
+ALTER TABLE [dbo].[categorie_materiel] ADD CONSTRAINT [categorie_materiel_actif_df] DEFAULT 1 FOR [actif], CONSTRAINT [categorie_materiel_created_at_df] DEFAULT CURRENT_TIMESTAMP FOR [created_at];
+
+-- AlterTable
+ALTER TABLE [dbo].[utilisateur] ADD CONSTRAINT [utilisateur_actif_df] DEFAULT 1 FOR [actif], CONSTRAINT [utilisateur_created_at_df] DEFAULT CURRENT_TIMESTAMP FOR [created_at];
+
+COMMIT TRAN;
+
+END TRY
+BEGIN CATCH
+
+IF @@TRANCOUNT > 0
+BEGIN
+    ROLLBACK TRAN;
+END;
+THROW
+
+END CATCH