feat: add plugin keys

Author: vitlinda

src/main/scala/dev/atedeg/UbiquitousScaladocKeys.scala

@@ -0,0 +1,12 @@
+package dev.atedeg
+
+import sbt.*
+
+trait UbiquitousScaladocKeys {
+  val ubiquitousScaladoc: TaskKey[Unit] = taskKey[Unit]("Creating an Ubiquitous Language markdown table out of a Scaladoc html file")
+
+  val usSourceHtmlDir: SettingKey[File] = settingKey[File]("Source directory to generate ubiquitous language markdown table from")
+
+  val usTargetMarkdownDir: SettingKey[File] = settingKey[File]("Target directory to store generated ubiquitous language markdown table")
+
+}