Build multiple clients of Proxmark3 RRG repo(for Windows) in parallel by GitHub Action.

1. Fork this repo
2. Go to Actions then enable it.
   (If you don't want to affect your contribution chart, you can create a new branch then do the following steps)
3. Change the config.json
4. Push a commit to this repo or click Run workflow in Actions
5. Check and download the clients in Actions->the latest workflow run->Artifacts

{
    "refs": [
        "master",
        "v4.16191",
        "v4.15864"
    ],
    "platforms": [
        "PM3RDV4",
        "PM3GENERIC",
        "RDV4BTADDON",
        "GENERICWITHFLASH"
    ]
}