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/dashboard/dashboard.controller.d.ts

@@ -0,0 +1,52 @@
+import { UtilsService } from '../utils/utils.service';
+import { UserGoal } from '../models/user-goal.model';
+import { WeightLog } from '../models/weight-log.model';
+import { Response } from 'express';
+export declare class DashboardController {
+    private utilsService;
+    private userGoalModel;
+    private weightLogModel;
+    constructor(utilsService: UtilsService, userGoalModel: typeof UserGoal, weightLogModel: typeof WeightLog);
+    getDashboard(req: any, res: Response): Promise<{
+        user: any;
+        nutrition: {
+            calories: number;
+            protein: number;
+            carbs: number;
+            fat: number;
+            meals: any[];
+        };
+        water: {
+            total_ml: number;
+            logs: {
+                id: any;
+                amount_ml: number;
+                time: string;
+            }[];
+        };
+        goals: UserGoal;
+        weightLogToday: WeightLog;
+        weightChange: any;
+        remaining: {
+            calories: number;
+            protein: number;
+            carbs: number;
+            fat: number;
+            water: number;
+        };
+        macroPercentages: {
+            protein: number;
+            carbs: number;
+            fat: number;
+        };
+    } | {
+        user?: undefined;
+        nutrition?: undefined;
+        water?: undefined;
+        goals?: undefined;
+        weightLogToday?: undefined;
+        weightChange?: undefined;
+        remaining?: undefined;
+        macroPercentages?: undefined;
+    }>;
+}