Migrates the service registry to TypeScript while maintaining 100% backward compatibility with existing JavaScript consumers.

Changes

• TypeScript Configuration: Added tsconfig.json targeting ES2018/CommonJS with strict mode and declaration generation to lib/
• Source Migration: Converted services.js → src/services.ts with full type annotations (method signatures, private properties)
• Export Strategy: Used export = pattern to preserve original CommonJS semantics—both the singleton instance and Services class remain accessible as before
• Build Integration: Added build script and prepare hook for automatic compilation; updated package entry points (main, types, files)
• Cleanup: Removed original JS file, excluded compiled output (lib/) from version control

Usage

JavaScript consumers continue to work unchanged:

const services = require('@bigbadweb/service-registry');
services.register('db', dbInstance);

TypeScript consumers gain type safety:

import services from '@bigbadweb/service-registry';
import { Services } from '@bigbadweb/service-registry';

services.register('api', apiInstance);  // Fully typed
const custom = new Services();          // Create isolated instances

Type definitions exported via .d.ts provide IntelliSense for all methods (get, register, injectService, injectServices).

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