NLP-service:: design first draft for questioning problem

[ynahmany]

This issue should mark as resolved once:

• a Github page has been created.
• The following tasks has been opened.
• open source research has been conducted.
• https://github.com/facebookresearch/MLQA?fbclid=IwAR3klBDdCAF8WPK9e6xcxCezDgl5nPiMBFlFbKCnX6uo_2Btc1sU5hzme08