build: add TypeScript configuration and generate declaration files

- Add tsconfig.json for TypeScript compilation with declaration and source map generation
- Generate .d.ts declaration files for all modules, services, controllers, and models
- Update package.json with NestJS dependencies and TypeScript development tools
- Include database files in the distribution output for persistence

dist/auth/local.strategy.js

@@ -0,0 +1,35 @@
+"use strict";
+var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
+    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
+    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
+    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
+    return c > 3 && r && Object.defineProperty(target, key, r), r;
+};
+var __metadata = (this && this.__metadata) || function (k, v) {
+    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LocalStrategy = void 0;
+const passport_local_1 = require("passport-local");
+const passport_1 = require("@nestjs/passport");
+const common_1 = require("@nestjs/common");
+const auth_service_1 = require("./auth.service");
+let LocalStrategy = class LocalStrategy extends (0, passport_1.PassportStrategy)(passport_local_1.Strategy) {
+    constructor(authService) {
+        super();
+        this.authService = authService;
+    }
+    async validate(username, pass) {
+        const user = await this.authService.validateUser(username, pass);
+        if (!user) {
+            throw new common_1.UnauthorizedException();
+        }
+        return user;
+    }
+};
+exports.LocalStrategy = LocalStrategy;
+exports.LocalStrategy = LocalStrategy = __decorate([
+    (0, common_1.Injectable)(),
+    __metadata("design:paramtypes", [auth_service_1.AuthService])
+], LocalStrategy);
+//# sourceMappingURL=local.strategy.js.map