feat: RAG, new promt

feat: gigachat, history, roles

feat: json

fix: /start

feat: registration

feat: User

feat: json

fix: /start

feat: registration

feat: User

feat: begin

.md

fix: teachermainpage

feat: CheckConnection, CheckVisited

fix: FINAL

Merge branch 'KuzinaVarvara'

feat: ViewAttendance, ManageAssignmates

feat: ViewAttendance, ManageAssignmates