Arachne asset DSL with the flow wired up as a separate form

explicit-flow-dsl.clj

(def opts {:output-to "main.js"
           :asset-path "js"
           :output-dir "js"
           :optimizations :none
           :main 'arachne.cljs.example})

(a/input-dir :test/input {:dir "src/cljs" :watch? false})
(cljs/build :test/build {:compiler-options opts})
(a/output-dir :test/output {:dir "out"})
  
(a/pipeline [:test/input :test/build]
            [:test/build :test/output])