code: @Bean
  	public MustacheCompiler mustacheCompiler(Handlebars handlebars, MustacheTemplateLoader templateLoader) {
  		log.info("Create handlebar compiler");
  		return new HandlebarsCompiler(handlebars, templateLoader);
  	}
docs: Build mustache compiler.
  This compiler use an instance of {@link com.github.jknack.handlebars.Handlebars}
  under the hood.
  
  @param handlebars Handlebars instance.
  @param templateLoader Template loader.
  @return Mustache compiler implementation.