Orchard CMS: .less, .woff files are 404 Not Found

If .woff, .svg, .less, .map files are not accessable from frontend, you need to add those file extensions to web.config of current folder.

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <appSettings>
    <add key="webpages:Enabled" value="false" />
  </appSettings>
  <system.web>
    <httpHandlers>
      <add path="*" verb="*" type="System.Web.StaticFileHandler" />
    </httpHandlers>
  </system.web>
  <system.webServer>
    <staticContent>
      <clientCache cacheControlMode="DisableCache" />      
      <remove fileExtension=".woff"/>
      <mimeMap fileExtension=".woff" mimeType="application/x-font-woff" />
      <remove fileExtension=".svg"/>
      <mimeMap fileExtension=".svg" mimeType="image/svg+xml" />
      <remove fileExtension=".less" />
      <mimeMap fileExtension=".less" mimeType="text/css" />
      <remove fileExtension=".map"/>                 
      <mimeMap fileExtension=".map" mimeType="application/octet-stream" />
      <remove fileExtension=".7z"/>                 
      <mimeMap fileExtension=".7z" mimeType="pplication/x-7z-compressed" />
    </staticContent>

    <handlers accessPolicy="Script,Read">      
      <add name="StaticFile" path="*" verb="*" modules="StaticFileModule" preCondition="integratedMode" resourceType="File" requireAccess="Read" />
    </handlers>
  </system.webServer>
</configuration>