Lang switch (#1297)

* language selector first steps

* language german intro added

* ascii doc lang attribute as additional option

* removed some commented code

* changed adoc resource loader to take into account the selected language

* added readme

* added lang test cases

src/main/java/org/owasp/webgoat/container/i18n/Language.java

@@ -29,7 +29,6 @@ import lombok.AllArgsConstructor;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 import org.springframework.web.servlet.LocaleResolver;
-
 import java.util.Locale;
 
 /**
@@ -47,5 +46,4 @@ public class Language {
     public Locale getLocale() {
         return localeResolver.resolveLocale(((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest());
     }
-
 }