add ability to switch language fast

master.tex

@@ -12,6 +12,9 @@ titlepage=false % toggle titlepage
 ]{scrartcl}
 
 % meta
+% note: after changing the language you need to run the compilation twice because the first time will stop with an error
+\newcommand{\metalanguage}{ngerman} % german language
+%\newcommand{\metalanguage}{english} % english language
 \newcommand{\metaauthor}{Moritz Münch}
 \newcommand{\metatitle}{}
 \newcommand{\metasubject}{}