Update README.md

Author: dathudeptrai

README.md

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 :zany_face: TensorflowTTS provides real-time state-of-the-art speech synthesis architectures such as Tacotron-2, Melgan, Multiband-Melgan, FastSpeech, FastSpeech2 based-on TensorFlow 2. With Tensorflow 2, we can speed-up training/inference progress, optimizer further by using [fake-quantize aware](https://www.tensorflow.org/model_optimization/guide/quantization/training_comprehensive_guide) and [pruning](https://www.tensorflow.org/model_optimization/guide/pruning/pruning_with_keras), make TTS models can be run faster than real-time and be able to deploy on mobile devices or embedded systems. 
 
 ## What's new
+- 2020/07/05 **(New!)** Support Convert Tacotron-2, FastSpeech to Tflite. Pls see the [colab](https://colab.research.google.com/drive/1HudLLpT9CQdh2k04c06bHUwLubhGTWxA?usp=sharing). Thank @jaeyoo from TFlite team for his support.
 - 2020/06/20 **(New!)** [FastSpeech2](https://arxiv.org/abs/2006.04558) implementation with Tensorflow is supported.
 - 2020/06/07 **(New!)** [Multi-band MelGAN (MB MelGAN)](https://github.com/dathudeptrai/TensorflowTTS/blob/master/examples/multiband_melgan/) implementation with Tensorflow is supported.