adding scalajs & laminar

https://www.scala-js.org/doc/tutorial/laminar.html

build.sbt

@@ -0,0 +1,29 @@
+import org.scalajs.linker.interface.ModuleSplitStyle
+
+lazy val planningPokerGrargh = project.in(file("."))
+  .enablePlugins(ScalaJSPlugin) // Enable the Scala.js plugin in this project
+  .settings(
+    scalaVersion := "3.2.0",
+
+    // Tell Scala.js that this is an application with a main method
+    scalaJSUseMainModuleInitializer := true,
+
+    /* Configure Scala.js to emit modules in the optimal way to
+     * connect to Vite's incremental reload.
+     * - emit ECMAScript modules
+     * - emit as many small modules as possible for classes in the "livechart" package
+     * - emit as few (large) modules as possible for all other classes
+     *   (in particular, for the standard library)
+     */
+    scalaJSLinkerConfig ~= {
+      _.withModuleKind(ModuleKind.ESModule)
+        .withModuleSplitStyle(
+          ModuleSplitStyle.SmallModulesFor(List("livechart")))
+    },
+
+    /* Depend on the scalajs-dom library.
+     * It provides static types for the browser DOM APIs.
+     */
+    libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "2.4.0",
+    libraryDependencies += "com.raquo" %%% "laminar" % "15.0.1",
+  )