[Mobile] Art Item Auction Network Connection

[AlicanM]

I will implement the network connections of the auction feature for the mobile app.

• [x] new branch
• [x] update the artItem model
• [x] network call for post method auction
• [x] create PR

Due Date: 27.12.2022 Reviewer: @atillaturkmen

[AlicanM]

branch

[AlicanM]

• update the artItem model commit

• network call for post method auction commit

Created the PR Ready for review @atillaturkmen

[AlicanM]

Pr is merged, closing this issue