feat: implement purchase receipt items management with create, update, find, and delete functionalities

feat: add purchase receipts management with create, update, find, and delete functionalities

feat: implement sales invoice items management with create, update, find, and delete functionalities

feat: add sales invoices management with create, update, find, and delete functionalities

feat: implement stock adjustments management with create, update, find, and delete functionalities

feat: add stock balance retrieval functionality

feat: implement stock movements management with create, update, find, and delete functionalities

prisma/migrations/20251208153255_apply_views/migration.sql

@@ -0,0 +1,13 @@
+/*
+  Warnings:
+
+  - The primary key for the `stock_balance` table will be changed. If it partially fails, the table could be left without primary key constraint.
+  - You are about to drop the column `itemId` on the `stock_balance` table. All the data in the column will be lost.
+  - Added the required column `ProductId` to the `stock_balance` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE `stock_balance` DROP PRIMARY KEY,
+    DROP COLUMN `itemId`,
+    ADD COLUMN `ProductId` INTEGER NOT NULL,
+    ADD PRIMARY KEY (`ProductId`);