title: DIR_COLORS customization
body: <p>I am customizing my DIR_COLORS (~/.dir_colors) to colorize ls on my terminal.</p>
  
  <p>I get how to change colors of files whose names ends in a known extension:</p>
  
  <pre><code>.cpp 0;34
  </code></pre>
  
  <p>But I would like to set colors for files with a fixed name like <code>Makefile</code> and <code>Kconfig</code>, and I would also like to change colors of files that begins with a dot (like <code>.config</code>), or some other pattern.</p>
  
  <p>Is this possible?</p>