Test path change from /api/scala to default

Author: abrighton

src/main/scala/org/tmt/sbt/docs/UnidocSitePlugin.scala

@@ -19,6 +19,8 @@ object UnidocSitePlugin extends AutoPlugin {
   def excludeScaladoc: String     = Seq("org.apache.pekko", "io.bullet.borer", "org.scalatest").mkString(":")
 
   override def projectSettings: Seq[Setting[_]] = Seq(
+    autoAPIMappings := true,
+    apiURL := Some(url("https://tmtsoftware.github.io/")),
     ScalaUnidoc / siteSubdirName       := "/api/scala",
     addMappingsToSiteDir(ScalaUnidoc / packageDoc / mappings, ScalaUnidoc / siteSubdirName),
     JavaUnidoc / siteSubdirName        := "/api/java",