[Doctools] Fix //rotate description quoting

worldedit-core/doctools/build.gradle.kts

@@ -2,6 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     kotlin("jvm") version "1.3.41"
+    application
 }
 
 applyCommonConfiguration()
@@ -10,6 +11,11 @@ tasks.withType<KotlinCompile> {
     kotlinOptions.jvmTarget = "1.8"
 }
 
+application.mainClassName = "com.sk89q.worldedit.internal.util.DocumentationPrinter"
+tasks.named<JavaExec>("run") {
+    workingDir = rootProject.projectDir
+}
+
 dependencies {
     "implementation"(project(":worldedit-libs:core:ap"))
     "implementation"(project(":worldedit-core"))