monospace font family config

1-monospace.conf

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
  <alias binding="strong">
    <family>monospace</family>
    <prefer><family>FiraCode Nerd Font Mono</family></prefer>
    <default><family>Consolas</family></default>
  </alias>
</fontconfig>

2-sans-serif.conf

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <match>
  <test name="family">
   <string>sans-serif</string>
  </test>
  <edit name="family" mode="assign" binding="strong">
   <string>思源黑体 CN</string>
  </edit>
 </match>
 <dir>~/.fonts</dir>
</fontconfig>

99-noto-mono-color-emoji.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<!--
Color Emoji Font Configuration.
Usage:
0. Ensure that the Noto fonts are installed on your machine.
1. Install this file to ~/.config/fontconfig/conf.d/99-emoji.conf
2. Run `fc-cache`
-->
<fontconfig>
  <alias binding="strong">
    <family>emoji</family>
    <prefer><family>Segoe UI Emoji</family></prefer>
    <default><family>Noto Color Emoji</family></default>
  </alias>
  <match target="pattern">
    <test name="family"><string>sans</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>emoji</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family"><string>serif</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>emoji</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family"><string>sans-serif</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>emoji</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family"><string>monospace</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>emoji</string>
    </edit>
  </match>
</fontconfig>