Din model v0.2.0

• Simple 2 layer MLP
  • Simple 2 layer MLP test on MovieLens
  • Dropout and L2 regularization
  • Batch Normalization
• YouTube DNN
  • YouTube DNN test on MovieLens
  • Dropout and L2 regularization
  • Batch Normalization
• DeepInterestNetwork
  • DIN test on MovieLens
  • Euclidean Distance based attention
  • Dropout and L2 regularization
  • Batch Normalization