Add SQL query for average cost retrieval and generate TriggerLog model

prisma/migrations/20251213121359_init/migration.sql

@@ -0,0 +1,12 @@
+/*
+  Warnings:
+
+  - Added the required column `name` to the `Trigger_Logs` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE `Stock_Balance` MODIFY `updatedAt` TIMESTAMP(0) NOT NULL,
+    MODIFY `createdAt` TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0);
+
+-- AlterTable
+ALTER TABLE `Trigger_Logs` ADD COLUMN `name` TEXT NOT NULL;