Add GITVERSE_API.md

update: user.go

create: user.go

create: apitoken.go

create: jointoken.go

create: cell.go

create: route.go

update: user.go

update: user.go

update: device.go

create: node.go

create: device.go

create: user.go

docs: Добавить обоснование увеличения штатной численности

Initial commit: Add course structure and project plan

Initial commit: Data Framework architecture documentation