BE06: Make "upload/confirm" API

[nnh53]

• Need:

• Related: PiedTeam/DreameCloneTraining-FE-Project#43

• Approval Standards:

• Reason for the estimated point:

• Solution:

• [ ] Read file being send by FE

• [ ] FE confirm correct file

[nnh53]

move to sprint 4

[lcaohoanq]

@nnh53 I need the more descriptive for route /upload/confirm what does fe need

• Method:
• When it use

[nnh53]

@lcaohoanq don't do this in sprint 4, it in sprint 5