Add settings and tasks

src/main/scala/cloud/golem/GolemScalaPlugin.scala

@@ -12,11 +12,39 @@ object GolemScalaPlugin extends AutoPlugin {
     val scalaMacrosParadise = "2.1.1"
   }
 
+  object autoImport {
+    val witBindgen =
+      taskKey[Unit]("Runs golem-scalajs-wit-bindgen to generate WIT bindings")
+
+    val component =
+      taskKey[Unit]("Runs componentize-js on the generated main.js file")
+
+    lazy val baseSettings: Seq[Setting[?]] =
+      Def.settings(
+        witBindgen := {
+          import scala.sys.process.*
+          Seq(
+            "bash",
+            "-xc",
+            "golem-scalajs-wit-bindgen -w wit/main.wit -p example"
+          ).!!
+        },
+        component := {
+          import scala.sys.process.*
+          Seq("bash", "-xc", "npm install").!!
+          Seq("bash", "-xc", "npm run build").!!
+        },
+        component := (component dependsOn (Compile / fullLinkJS)).value
+      )
+  }
+
+  import autoImport.*
+
   override def trigger: PluginTrigger = allRequirements
 
   override def requires: Plugins = JvmPlugin && ScalaJSPlugin
 
-  override lazy val projectSettings: Seq[Setting[?]] = Seq(
+  override lazy val projectSettings: Seq[Setting[?]] = baseSettings ++ Seq(
     scalaJSLinkerConfig ~= { _.withModuleKind(ModuleKind.ESModule) },
     libraryDependencies += "cloud.golem" %% "golem-scala-macros" % Versions.macros
   ) ++ macroParadiseSettings