Add pluginManagement block

This allows us to remove the buildSrc module.

Signed-off-by: Graham <gpe@openrs2.org>

build.gradle.kts

@@ -10,13 +10,11 @@ defaultTasks("build")
 
 plugins {
     base
-    id("com.github.ben-manes.versions") version Versions.versionsPlugin
-    id("org.jetbrains.dokka") version Versions.dokka
-    kotlin("jvm") version Versions.kotlin
+    id("com.github.ben-manes.versions")
+    id("org.jetbrains.dokka")
+    kotlin("jvm")
 
-    id("com.github.jk1.dependency-license-report") version Versions.dependencyLicenseReport apply false
-    id("com.github.johnrengelman.shadow") version Versions.shadowPlugin apply false
-    id("org.jmailen.kotlinter") version Versions.kotlinter apply false
+    id("org.jmailen.kotlinter") apply false
 }
 
 allprojects {
@@ -112,7 +110,7 @@ configure(subprojects.filter { it.isFree }) {
             for (module in listOf("stdlib", "stdlib-common", "stdlib-jdk7", "stdlib-jdk8")) {
                 api("org.jetbrains.kotlin:kotlin-$module") {
                     version {
-                        strictly(Versions.kotlin)
+                        strictly(kotlinPluginVersion)
                     }
                 }
             }

buildSrc/build.gradle.kts

@@ -1,7 +0,0 @@
-plugins {
-    `embedded-kotlin`
-}
-
-repositories {
-    mavenCentral()
-}

buildSrc/settings.gradle.kts

@@ -1 +0,0 @@
-

buildSrc/src/main/kotlin/Versions.kt

@@ -1,8 +0,0 @@
-object Versions {
-    const val dependencyLicenseReport = "1.16"
-    const val dokka = "1.4.30"
-    const val kotlin = "1.4.32"
-    const val kotlinter = "3.4.0"
-    const val shadowPlugin = "6.1.0"
-    const val versionsPlugin = "0.38.0"
-}

settings.gradle.kts

@@ -10,6 +10,17 @@ dependencyResolutionManagement {
     }
 }
 
+pluginManagement {
+    plugins {
+        id("com.github.ben-manes.versions") version "0.38.0"
+        id("com.github.jk1.dependency-license-report") version "1.16"
+        id("com.github.johnrengelman.shadow") version "6.1.0"
+        id("org.jetbrains.dokka") version "1.4.30"
+        id("org.jmailen.kotlinter") version "3.4.0"
+        kotlin("jvm") version "1.4.32"
+    }
+}
+
 enableFeaturePreview("VERSION_CATALOGS")
 
 include(