chore(build): Add detekt to project (#3908)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.detekt.yml

@@ -0,0 +1,23 @@
+complexity:
+  TooManyFunctions:
+    active: false
+
+style:
+  ThrowsCount:
+    active: false
+  MaxLineLength:
+    active: false
+  ReturnCount:
+    active: false
+
+performance:
+  SpreadOperator:
+    active: false
+
+comments:
+  UndocumentedPublicClass:
+    active: true
+  UndocumentedPublicFunction:
+    active: true
+  UndocumentedPublicProperty:
+    active: true

build.gradle

@@ -19,6 +19,7 @@ plugins {
   id "nebula.kotlin" version "$kotlinVersion" apply false
   id "org.jetbrains.kotlin.plugin.allopen" version "$kotlinVersion" apply false
   id "org.jetbrains.dokka" version "0.10.1" apply false
+  id "io.gitlab.arturbosch.detekt" version "1.7.4" apply false
 }
 
 allprojects {

gradle/kotlin.gradle

@@ -16,6 +16,7 @@
 
 apply plugin: "nebula.kotlin"
 apply plugin: "kotlin-spring"
+apply plugin: "io.gitlab.arturbosch.detekt"
 
 compileKotlin {
   kotlinOptions {
@@ -30,3 +31,18 @@ compileTestKotlin {
     jvmTarget = "1.8"
   }
 }
+
+detekt {
+  parallel = false
+  config = files("$rootDir/.detekt.yml")
+  buildUponDefaultConfig = true
+  ignoreFailures = true
+  reports {
+    xml {
+      enabled = false
+    }
+    txt {
+      enabled = false
+    }
+  }
+}