Add linter

build.gradle.kts

@@ -1,6 +1,8 @@
 plugins {
     kotlin("jvm") version "1.8.22"
     alias(libs.plugins.lavalink)
+    alias(libs.plugins.detekt)
+    alias(libs.plugins.ktlint)
 }
 
 group = "dev.jellylink"
@@ -22,3 +24,45 @@ java {
 kotlin {
     jvmToolchain(17)
 }
+
+// ---------------------------------------------------------------------------
+// Detekt — static analysis
+// ---------------------------------------------------------------------------
+detekt {
+    config.setFrom(files("$rootDir/detekt.yml"))
+    buildUponDefaultConfig = true
+    allRules = false
+    parallel = true
+    // Exclude generated code from analysis
+    source.setFrom(files("src/main/kotlin"))
+}
+
+tasks.withType<io.gitlab.arturbosch.detekt.Detekt>().configureEach {
+    reports {
+        html.required.set(true)
+        xml.required.set(false)
+        txt.required.set(false)
+        sarif.required.set(false)
+    }
+    exclude("**/generated/**")
+}
+
+// ---------------------------------------------------------------------------
+// ktlint — formatting
+// ---------------------------------------------------------------------------
+ktlint {
+    version.set("1.5.0")
+    android.set(false)
+    outputToConsole.set(true)
+    ignoreFailures.set(false)
+    filter {
+        exclude("**/generated/**")
+    }
+}
+
+// ---------------------------------------------------------------------------
+// Wire lint checks into the build lifecycle
+// ---------------------------------------------------------------------------
+tasks.named("check") {
+    dependsOn("detekt", "ktlintCheck")
+}