Use cross root project helper

Author: SystemFw

build.sbt

@@ -37,9 +37,7 @@ def dep(org: String, prefix: String, version: String)(
       testModules.map(m => org %%% (prefix ++ m) % version % Test)
   }
 
-lazy val root = project
-  .in(file("."))
-  .enablePlugins(NoPublishPlugin)
+lazy val root = tlCrossRootProject
   .aggregate(core.jvm, core.js, core.native)
 
 lazy val core = crossProject(JVMPlatform, JSPlatform, NativePlatform)

dev-flow.md

@@ -51,6 +51,5 @@ docs-only deploy, (force) push `main` to the `docs-deploy` branch.
 ## Links
 
 - https://typelevel.org/sbt-typelevel/
-- https://github.com/djspiewak/sbt-spiewak
 - https://docsify.js.org/#/
 - https://scalameta.org/mdoc/