Publish scaladoc (closes #113)

build.sbt

@@ -14,6 +14,7 @@
  */
 
 lazy val root = project.in(file("."))
+  .enablePlugins(ScalaUnidocPlugin, GhpagesPlugin)
   .settings(
     name        := "scala-forex",
     version     := "0.5.0",
@@ -22,6 +23,7 @@ lazy val root = project.in(file("."))
   .settings(BuildSettings.buildSettings)
   .settings(BuildSettings.publishSettings)
   .settings(BuildSettings.formattingSettings)
+  .settings(BuildSettings.docsSettings)
   .settings(
     libraryDependencies ++= Seq(
       Dependencies.Libraries.jodaConvert,

project/BuildSettings.scala

@@ -22,6 +22,11 @@ import bintray.BintrayKeys._
 // Scalafmt
 import org.scalafmt.sbt.ScalafmtPlugin.autoImport._
 
+// Docs
+import sbtunidoc.ScalaUnidocPlugin.autoImport._
+import com.typesafe.sbt.site.SitePlugin.autoImport._
+import com.typesafe.sbt.SbtGit.GitKeys._
+
 object BuildSettings {
 
   // Basic settings for our app
@@ -78,4 +83,10 @@ object BuildSettings {
   lazy val formattingSettings = Seq(
     scalafmtOnCompile := true
   )
+
+  lazy val docsSettings = Seq(
+    addMappingsToSiteDir(mappings in (ScalaUnidoc, packageDoc), siteSubdirName in ScalaUnidoc),
+    gitRemoteRepo := "https://github.com/snowplow/scala-forex.git",
+    siteSubdirName := ""
+  )
 }

project/plugins.sbt

@@ -1,3 +1,5 @@
 addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.4")
-
 addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
+addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.3.2")
+addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.2")
+addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.2")