File _constraints of Package kicad

<?xml version="1.0"?>
<constraints>
  <hardware>
    <disk>
      <size unit="G">12</size>
    </disk>
    <memory>
      <size unit="G">8</size>
    </memory>
    <memoryperjob>
      <size unit="M">1300</size>
    </memoryperjob>
  </hardware>
</constraints>