web GL iis open configuration

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <system.webServer>
   
    <staticContent>
      <!-- Unity 5.6 -->
      <mimeMap fileExtension=".json" mimeType="application/json" />
      <mimeMap fileExtension=".unityweb" mimeType="application/binary" />


      <!-- Unity 5.x -->
      <mimeMap fileExtension=".data" mimeType="application/binary" />
      <mimeMap fileExtension=".mem" mimeType="application/binary" />


      <!-- Unity 5.3 -->
      <mimeMap fileExtension=".datagz" mimeType="application/binary" />
      <mimeMap fileExtension=".jsgz" mimeType="application/binary" />
      <mimeMap fileExtension=".memgz" mimeType="application/binary" />
    </staticContent>
  </system.webServer>

</configuration>

.config