Add basic detekt configuration

game/plugin/build.gradle

@@ -1,6 +1,35 @@
-subprojects {
-    if (it.buildFile.exists()) {
+buildscript {
+    repositories {
+        jcenter()
+        mavenCentral()
+
+        maven { url "https://plugins.gradle.org/m2/" }
+    }
+
+    dependencies {
+        classpath "gradle.plugin.io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.0.0.RC4-3"
+    }
+}
+
+def detektConfig = "${project.projectDir}/detekt.yml"
+
+subprojects { subproj ->
+    if (subproj.buildFile.exists()) {
         apply plugin: 'apollo-plugin'
+        apply plugin: 'io.gitlab.arturbosch.detekt'
+
+        buildscript {
+            repositories {
+                jcenter()
+                mavenCentral()
+
+                maven { url "https://plugins.gradle.org/m2/" }
+            }
+
+            dependencies {
+                classpath "gradle.plugin.io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.0.0.RC4-3"
+            }
+        }
 
         repositories {
             mavenCentral()
@@ -8,5 +37,14 @@ subprojects {
                 url { 'https://dl.bintray.com/kotlin/kotlinx/' }
             }
         }
+
+        detekt {
+            version = "1.0.0.RC4-3"
+
+            profile("main") {
+                input = "${subproj.projectDir}/src"
+                config = detektConfig
+            }
+        }
     }
 }