Export WeightsManifestConfig. (tensorflow#827)

Author: Nikhil Thorat

src/index.ts

@@ -49,6 +49,7 @@ export {SGDOptimizer} from './optimizers/sgd_optimizer';
 // tslint:disable-next-line:max-line-length
 export {Scalar, Tensor, Tensor1D, Tensor2D, Tensor3D, Tensor4D, TensorBuffer, variable, Variable} from './tensor';
 export {Rank} from './types';
+export {WeightsManifestConfig} from './weights_loader';
 export {loadWeights} from './weights_loader';
 export {version};
 // Second level exports.