Telegram Persian font configs

fc-custom-1.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
    <match target="pattern">
        <test name="family" qual="any">
            <string>sans serif</string>
        </test>
        <edit mode="assign" binding="same" name="family">
            <string>IranSans</string>
        </edit>
    </match>
    <dir>~/.local/share/TelegramDesktop/tdata/fonts/</dir>
</fontconfig>