<?xml version="1.0" encoding="UTF-8"?>
<mime-info>
    <mime-type type="application/x-kicad-schematic">
        <glob pattern="*.sch"/>
        <magic priority="60">
            <match value="EESchema Schematic File Version 2" type="string" offset="0">
            </match>
        </magic>
    </mime-type>
</mime-info>

<?xml version="1.0" encoding="UTF-8"?>
<mime-info>
    <mime-type type="application/x-kicad-schematic">
        <glob pattern="*.sch"/>
        <magic priority="60">
            <match value="EESchema Schematic File Version 2" type="string" offset="0">
            </match>
        </magic>
    </mime-type>
    <mime-type type="application/x-kicad-pcb">
        <glob pattern="*.kicad_pcb"/>
        <magic priority="60">
            <match value="(kicad_pcb " type="string" offset="0">
            </match>
        </magic>
    </mime-type>
</mime-info>

Add kicad pcb content type detection
Add kicad pcb content type detection
