Font config to fix display of book "Docker for PHP Developers" by Paul Redmond in Linux

fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
    <match target="pattern">
        <test name="family" qual="any"><string>ArialMT</string></test>
        <edit name="family" mode="assign" binding="same"><string>Arial</string></edit>
    </match>
    <match target="pattern">
        <test name="family" qual="any"><string>TimesNewRomanPSMT</string></test>
        <edit name="family" mode="assign" binding="same"><string>Times New Roman</string></edit>
    </match>
    <match target="pattern">
        <test name="family" qual="any"><string>OperatorMono</string></test>
        <edit name="family" mode="assign" binding="same"><string>FiraCode</string></edit>
    </match>
    <match target="pattern">
        <test name="family" qual="any"><string>OperatorMono Book</string></test>
        <edit name="family" mode="assign" binding="same"><string>FiraCode</string></edit>
    </match>
</fontconfig>