title: Install Watchman not working with Home brew on Mac OS Catalina
body: <p>When I type with command <code>brew install watchman</code> in terminal.</p>
  <p>It giving me this errros:</p>
  <pre><code>==&gt; Searching for similarly named formulae...
  Error: No similarly named formulae found.
  Error: No available formula or cask with the name &quot;watchman&quot;.
  ==&gt; Searching for a previously deleted formula (in the last month)...
  Error: No previously deleted formula found.
  ==&gt; Searching taps on GitHub...
  Error: No formulae found in taps.
  </code></pre>