Added checkstyle to build

build.gradle

@@ -3,6 +3,7 @@ plugins {
     id 'com.github.johnrengelman.shadow' version '7.0.0'
     id 'maven-publish'
     id 'java'
+    id 'checkstyle'
 }
 
 dependencies {
@@ -75,6 +76,7 @@ allprojects {
     compileJava.dependsOn clean
 
     build.dependsOn shadowJar
+    build.dependsOn check
 }
 
 tasks.withType(Jar) {