…ible to change pages with header buttons

remove input for scripts and database paths for ease of use

…View

…d Login

…lder, and add a class for database communication

…o work with the new Controller structure

…ganization

…ata in MainView

…imal

…tion to frontend

…nd donates

…ion, donation flow, and user page functionality, however per now it only stores data in runtime

…alyed

…n exit

…n closing the application

Merge Feat/connectfrontback 2 into Feat/connectfrontback 2

Merge Feat/connectfrontback into workaround/ntnu-git-is-suboptimal