(.module:
  [library
   [lux {"-" Type}]])

... https://maven.apache.org/ref/3.6.3/maven-core/artifact-handlers.html
(type: .public Type
  Text)

(template [<type> <name>]
  [(def: .public <name>
     Type
     <type>)]

  ["tar" lux_library]
  ["jar" jvm_library]
  ["js" js_library]
  ["pom" pom]
  ["sha1" sha-1]
  ["md5" md5]
  )