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/models/api-cache.model.js

@@ -0,0 +1,36 @@
+"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.APICache = void 0;
+const sequelize_typescript_1 = require("sequelize-typescript");
+let APICache = class APICache extends sequelize_typescript_1.Model {
+};
+exports.APICache = APICache;
+__decorate([
+    (0, sequelize_typescript_1.Column)({ unique: true, allowNull: false }),
+    __metadata("design:type", String)
+], APICache.prototype, "query", void 0);
+__decorate([
+    sequelize_typescript_1.Column,
+    __metadata("design:type", String)
+], APICache.prototype, "api_source", void 0);
+__decorate([
+    (0, sequelize_typescript_1.Column)(sequelize_typescript_1.DataType.TEXT),
+    __metadata("design:type", String)
+], APICache.prototype, "response_json", void 0);
+__decorate([
+    (0, sequelize_typescript_1.Column)({ defaultValue: sequelize_typescript_1.DataType.NOW }),
+    __metadata("design:type", Date)
+], APICache.prototype, "cached_at", void 0);
+exports.APICache = APICache = __decorate([
+    sequelize_typescript_1.Table
+], APICache);
+//# sourceMappingURL=api-cache.model.js.map