* add post-installation script
* set zsh as default terminal and make post-install execution on postcreate
* rename file
* rename script
* Create devcontainers_ci.yml
* Update devcontainer.json
* Update devcontainers_ci.yml
Never push image built here. It's for build testing purpose only.
* postCreateCommand update to reflect that the shell script has been renamed.
* update devcontainer readme file
* trigger workflow only on devcontainer/** changes
* prettier refactor
