Add tranasction finalPrice and Message body
Merge pull request #235 from ndomar/Database-Models

Database_Add finalPrince in transaction and Message Body
Issue #128 - fix code format
Merge branch 'develop' of https://github.com/ndomar/megasoft-14 into C3_silvermist_#31_create_request
Issue #128 - add documentation in frontend
Issue #128 - add documentation in backend