added new composite action exercise

Fix typos and improve clarity in build-cache.md

reorganizing complete solution to docker-image.md to adhere to best p…

Update systems-test.md

Fix typo in systems-test.md for peace of mind

Improve readability of documentation

Update systems-test.md

Update storing-artifacts.md

Update storing-artifacts.md

Update storing-artifacts.md

Update storing-artifacts.md

Update README.md

Update systems-test.md

Update systems-test.md

Update linting to v7

Update docker-image.md

Update storing-artifacts.md

Update storing-artifacts.md

Update build-app.md

Adding set -e to build scripts

Update pr-workflow.md

Merge pull request #92 from Oliverxll/main

Deleting the version part of compose files

changed docker-compose to the new syntax docker compose

Update build-app.md

Merge pull request #90 from eficode-academy/wip/additions

Update pipeline configurations

Merge pull request #89 from Addono/patch-1

Update README.md

Update docker_username in YAML file