Add the LSTM tutorial to the high-level table of contents
Add the LSTM tutorial to the high-level table of contents

haojunyu/DeepLearningTutorials,jyb002/DeepLearningTutorials,iamtrask/DeepLearningTutorials,yukoba/DeepLearningTutorials,webeng/DeepLearningTutorials,OlafLee/DeepLearningTutorials,abergeron/DeepLearningTutorials,yukoba/DeepLearningTutorials,abergeron/DeepLearningTutorials,jorik041/DeepLearningTutorials,linan7788626/DeepLearningTutorials,linan7788626/DeepLearningTutorials,mmolero/DeepLearningTutorials,NanYoMy/DeepLearningTutorials,AveRapina/DeepLearningTutorials,jorik041/DeepLearningTutorials,SYSUNLP/DeepLearningTutorials,jyb002/DeepLearningTutorials,OlafLee/DeepLearningTutorials,shijiaxing/DeepLearningTutorials,ericzhouh/DeepLearningTutorials,liangz0707/DeepLearningTutorials,pengsun/DeepLearningTutorials,shijiaxing/DeepLearningTutorials,sha8e/DeepLearningTutorials,heaven00/DeepLearningTutorials,AveRapina/DeepLearningTutorials,marchick209/DeepLearningTutorials,webeng/DeepLearningTutorials,marchick209/DeepLearningTutorials,xuezhisd/DeepLearningTutorials,agarbuno/DeepLearningTutorials,pombredanne/DeepLearningTutorials,heaven00/DeepLearningTutorials,cainiaocome/DeepLearningTutorials,cainiaocome/DeepLearningTutorials,pengsun/DeepLearningTutorials,mmolero/DeepLearningTutorials,pombredanne/DeepLearningTutorials,webeng/DeepLearningTutorials,sha8e/DeepLearningTutorials,agarbuno/DeepLearningTutorials,FighterLYL/DeepLearningTutorials,xuezhisd/DeepLearningTutorials,ericzhouh/DeepLearningTutorials,liangz0707/DeepLearningTutorials,iamtrask/DeepLearningTutorials,NanYoMy/DeepLearningTutorials,haojunyu/DeepLearningTutorials,EugenePig/DeepLearningTutorials,EugenePig/DeepLearningTutorials,SYSUNLP/DeepLearningTutorials,FighterLYL/DeepLearningTutorials