Set versions in settings

build.gradle

 plugins {
-  id "com.diffplug.spotless" version "${spotlessVersion}"
-  id "com.github.spotbugs" version "${spotbugsVersion}"
-  id "com.github.node-gradle.node" version "${nodePluginVersion}"
-  id "com.star-zero.gradle.githook" version "${githooksVersion}"
+  id "com.diffplug.spotless"
+  id "com.github.spotbugs"
+  id "com.github.node-gradle.node"
+  id "com.star-zero.gradle.githook"
   id "eclipse-wtp"
   id "jacoco"
   id "java-library"

settings.gradle

+// Define versions here so other projects can import nshmp-lib locally.
+pluginManagement {
+  plugins {
+    id "com.diffplug.spotless" version "${spotlessVersion}"
+    id "com.github.spotbugs" version "${spotbugsVersion}"
+    id "com.github.node-gradle.node" version "${nodePluginVersion}"
+    id "com.star-zero.gradle.githook" version "${githooksVersion}"
+  }
+}
+
 rootProject.name = "nshmp-lib"