Add new exports for IInject, IConfigurationLoader, InstanceProvider, IntegerConstantProvider, StringConstantProvider, and Inject classes in index.ts to enhance dependency injection capabilities.

src/index.ts

@@ -2,7 +2,13 @@ export type {IDependencyProvider} from './di/IDependencyProvider';
 export type {IDependencyManager} from './di/IDependencyManager';
 export type {default as IDisposable} from './lang/IDisposable';
 export type {LifecycleType} from './di/Lifecycle';
+export type {IInject} from './di/IInject';
+export type {IConfigurationLoader} from './di/IConfigurationLoader';
 export {Type} from './di/Type';
 export {NamedType} from './di/NamedType';
 export {DependencyManager} from './di/DependencyManager';
 export {DependencyProvider} from './di/DependencyProvider';
+export {InstanceProvider} from './di/InstanceProvider';
+export {IntegerConstantProvider} from './di/IntegerConstantProvider';
+export {StringConstantProvider} from './di/StringConstantProvider';
+export {Inject} from './di/Inject';