Add an option prompt for devcontainer on Podman and SELinux running system

[soiamsoNG]

Motivations

devcontainer template Not work well with Fedora kind of podman + selinux system.

podman default map host user to container user as uid=0 gid=0, will get Permission deny error after devcontainer build
microsoft/vscode-remote-release#5296

Selinux running system not work without changing running argument
microsoft/vscode-remote-release#1333

• Would you like to implement this feature?
  I would like to.

Solution

Add an option prompt for Podman and SELinux running system

Alternatives

Mark the solution/practice in README