#### Description Initial support of [devcontainers](https://containers.dev/)

Allows to develop inside a container using [vscode](https://code.visualstudio.com/docs/devcontainers/containers)

Next steps: * configure github actions to build and publish the image in our github repository https://github.com/devcontainers/ci/blob/main/docs/github-action.md * include configurations for vscode to build and run kamailio * investigate how to debug inside vscode

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3516

-- Commit Summary --

* .clang-format: add json settings * .devcontainer: Initial support for devcontainers

-- File Changes --

M .clang-format (4) A .devcontainer/Dockerfile (17) A .devcontainer/devcontainer.json (34)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3516.patch https://github.com/kamailio/kamailio/pull/3516.diff