build.gradle(ktlint): Add ktlint

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

gradle/verification-metadata.xml

@@ -44,6 +44,7 @@
       </trusted-artifacts>
       <ignored-keys>
          <ignored-key id="32EE5355A6BC6E42" reason="Key couldn't be downloaded from any key server"/>
+		 <ignored-key id="C020E96222A31FB3" reason="Key couldn't be downloaded from any key server"/>
       </ignored-keys>
       <trusted-keys>
          <trusted-key id="015479E1055341431B4545AB72475FD306B9CAB7" group="com.googlecode.javaewah" name="JavaEWAH" version="1.2.3"/>