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.d.ts

@@ -0,0 +1,11 @@
+import { Strategy } from 'passport-local';
+import { AuthService } from './auth.service';
+declare const LocalStrategy_base: new (...args: [] | [options: import("passport-local").IStrategyOptionsWithRequest] | [options: import("passport-local").IStrategyOptions]) => Strategy & {
+    validate(...args: any[]): unknown;
+};
+export declare class LocalStrategy extends LocalStrategy_base {
+    private authService;
+    constructor(authService: AuthService);
+    validate(username: string, pass: string): Promise<any>;
+}
+export {};