Mock training of Bi-Lstm Model

[halil-erdogan]

• For mock training, we have just used hicaz--sarki datas.
• Our architecture is based on this notebook which is stacked Bi-LSTM
• This is related with Mock Training #4 and Convert Mock Training Notebook into Script #36

TO-DO

• Add requirements.txt

• Change code into Pep-8

• Write definition for each function.

• Add Mock Training #18 notebook into this PR.