fix: rm artifact

feat(lab5): init

feat: add .env file to lab4

feat: add .env files to lab2 and lab3

chore: change main README.md

feat: add lab4

feat: add lab3

feat: add lab2

feat: add lab1

feat: add grafana role

feat: add prometheus role

feat: add metrics role

feat: add loki role

feat: add lab6

feat: add lab5

feat: add pgsql role

feat: add pgadmin role

fix: README.md

feat: add lab4