added what file type the github actions is
added what file type the github actions is

I added this as it might be confusing for some people who dont write in yaml every day to know what file it is. it is best to explicitly state what file type it is
docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io