Add privilege management system with related migrations and guards

- Introduced a new `PrivilegesModule` to manage user privileges and access control.
- Added `RequirePrivilege` decorator to enforce privilege checks on controller handlers.
- Implemented `PrivilegesGuard` to handle authorization based on user privileges.
- Created database migrations for `privileges`, `privilege_keys`, and `privilege_details` tables.
- Updated user model to include `is_superadmin` field for enhanced access control.
- Added unit tests for the new privileges functionality and guards to ensure correct behavior.

tsconfig.build.json

@@ -1,5 +1,9 @@
 {
   "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "tsBuildInfoFile": "./dist/tsconfig.build.tsbuildinfo"
+  },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
 }