Mac: give some structure to the FAQ (#5503)
Mac: give some structure to the FAQ (#5503)

This commit reorders this

    ### Stable and Edge channels
    ### What is Docker.app?
    ### What kind of feedback are we looking for?
    ### What if I have problems or questions?
    ### How can I opt out of sending my usage data?
    ### Can I use Docker for Mac with new swarm mode?
    ### How do I connect to the remote Docker Engine API?
    ### How do I connect from a container to a service on the host?
    ### How do I connect to a container from the Mac?
    ### How do I add custom CA certificates?
    ### How do I add client certificates?
    ### How do I reduce the size of Docker.qcow2?
    ### What are system requirements for Docker for Mac?
    ### Do I need to reinstall Docker for Mac if I change the name of my macOS account?
    ### Do I need to uninstall Docker Toolbox to use Docker for Mac?
    ### How do I uninstall Docker Toolbox?
    ### What is HyperKit?
    ### What is the benefit of HyperKit?
    ### Why is com.docker.vmnetd running after I quit the app?
    ### Can I pass through a USB device to a container?

into this

    ## Questions about Docker.app
    ### Stable and Edge channels
    ### What is Docker.app?
    ### What are system requirements for Docker for Mac?
    ### Do I need to reinstall Docker for Mac if I change the name of my macOS account?
    ### Do I need to uninstall Docker Toolbox to use Docker for Mac?
    ### How do I uninstall Docker Toolbox?
    ## Questions about feedback and help
    ### What kind of feedback are we looking for?
    ### What if I have problems or questions?
    ### How can I opt out of sending my usage data?
    ## How can I...?
    ### Can I use Docker for Mac with swarm mode?
    ### How do I connect to the remote Docker Engine API?
    ### How do I connect from a container to a service on the host?
    ### How do I connect to a container from the Mac?
    ### How do I add custom CA certificates?
    ### How do I add client certificates?
    ### How do I reduce the size of Docker.qcow2?
    ### Can I pass through a USB device to a container?
    ## Components of Docker for Mac
    ### What is HyperKit?
    ### What is the benefit of HyperKit?
    ### Why is com.docker.vmnetd running after I quit the app?

Also, change "new swarm mode" into "swarm mode".

Signed-off-by: Akim Demaille <b98d595e8670f7809061ae067ba5f11e45ff9fd2@gmail.com>
docker/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,johnstep/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,londoncalling/docker.github.io,londoncalling/docker.github.io,JimGalasyn/docker.github.io,johnstep/docker.github.io,anweiss/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,londoncalling/docker.github.io,londoncalling/docker.github.io,anweiss/docker.github.io,docker/docker.github.io,johnstep/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,JimGalasyn/docker.github.io,johnstep/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,anweiss/docker.github.io,johnstep/docker.github.io,docker/docker.github.io