Support for [Phoenix Point] - game.json included

[Loxrie]

Game name: Phoenix Point

        {
            "name": "Phoenix Point",
            "package": "SnapshotGames.PhoenixPoint_xxvrk32m0sthm",
            "handler": "1cnf-folder"
        }

Tested and working, resulting zip file contained a dir called "main" the files in here were copied to the steam folder here:

C:\Users\<user>\AppData\LocalLow\Snapshot Games Inc\Phoenix Point\Steam\<id>

Loaded successfully.

[Loxrie]

PR raised, github doesn't seem to have linked it though

#344