feat(database): initialize database schema and triggers

- Created initial database schema with tables for Users, Roles, Products, and related entities.
- Added foreign key constraints to maintain data integrity across tables.
- Implemented triggers for managing stock movements on insert, update, and delete operations.
- Developed scripts to dump existing triggers and pull trigger definitions from the database.

package.json

@@ -10,6 +10,7 @@
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.3",
     "dotenv": "^17.2.3",
+    "mysql2": "^3.15.3",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1"
   },
@@ -64,9 +65,11 @@
   "private": true,
   "scripts": {
     "build": "nest build",
+    "dump-triggers": "tsx scripts/dump-triggers.ts",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "generate:permissions": "tsx scripts/generate-permissions.ts",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "pullDBTriggers": "tsx scripts/pull-triggers.ts",
     "start": "nest start",
     "start:debug": "nest start --debug --watch",
     "start:dev": "nest start --watch",