Add old log4cats

Author: fthomas

script.scala

@@ -4,8 +4,12 @@
 //> using dep "com.lihaoyi::fansi:0.5.0"
 //> using dep "org.typelevel::cats-core:2.12.0"
 //> using dep "io.circe::circe-fs2:0.14.1"
+//> using dep "io.chrisdavenport::log4cats-slf4j:1.1.1"
 //> using toolkit typelevel:0.1.29
 
+import io.chrisdavenport.log4cats.Logger
+import io.chrisdavenport.log4cats.slf4j.Slf4jLogger
+
 object Hello extends App {
   println("Hello World")
 }