title: React charset not display correctly UTF-8
body: <p>I use to Materiul-UI kit for react,
  After build, UTF-8 character set does not correctly display.</p>
  
  <p>Instead of UTF-8 character set exc. 'Ş,Ü,ö,Ç,ç', Shows that question symbol. '?'</p>
  
  <p>I try this on my single page html.</p>
  
  <pre><code>&lt;meta charset="utf-8"&gt;
  </code></pre>
  
  <p>but doesn't work.
  Giriş --> Giri?</p>