- fix inference output sentence order error
- continue implementing CopyCNN and CopyTransformer
- update vocab loader
- initialize embedding of copyrnn with uniform distribution
- fix beam search exception in CopyRNN
- fix beam search exception in CopyRNN
- fix github workflow push config
- fix requirement bug
- construct basic architecture of project
- implement CopyRNN (total available), CopyTransformer (required to debug)