Add name options to bar.

Author: nickrobinson251

src/main/scala/co/theasi/plotly/Plot.scala

@@ -136,11 +136,12 @@ extends Plot {
   /** Add a bar series to this plot. */
   def withBar[X: Writable, Y: Writable](
       xs: Iterable[X],
-      ys: Iterable[Y]
+      ys: Iterable[Y],
+      options: BarOptions = BarOptions()
   ): CartesianPlot = {
     val xsAsPType = xs.map { implicitly[Writable[X]].toPType }
     val ysAsPType = ys.map { implicitly[Writable[Y]].toPType }
-    copy(series = series :+ Bar(xsAsPType, ysAsPType, BarOptions()))
+    copy(series = series :+ Bar(xsAsPType, ysAsPType, options))
   }
 
   /** Add a box plot to this plot. */

src/main/scala/co/theasi/plotly/writer/OptionsWriter.scala

@@ -6,7 +6,7 @@ import org.json4s.JsonDSL._
 import co.theasi.plotly.{
   ScatterOptions, ScatterMode, MarkerOptions,
   TextValue, StringText, IterableText, SrcText, SurfaceOptions,
-  LineOptions
+  LineOptions, BarOptions
 }
 
 object OptionsWriter {
@@ -26,6 +26,10 @@ object OptionsWriter {
     ("colorscale" -> options.colorscale.map { ColorscaleWriter.toJson })
   )
 
+  def barOptionsToJson(options: BarOptions): JObject = {
+    ("name" -> options.name)
+  }
+
   private def scatterModeToJson(mode: Seq[ScatterMode.Value])
   : Option[String] =
     if (mode.isEmpty) { None }

src/main/scala/co/theasi/plotly/writer/SeriesWriter.scala

@@ -33,7 +33,8 @@ object SeriesWriter {
     ("xsrc" -> xsrc) ~
     ("ysrc" -> ysrc) ~
     axisToJson(info.axisIndex) ~
-    ("type" -> "bar")
+    ("type" -> "bar") ~
+    OptionsWriter.barOptionsToJson(info.options)
   }
 
   private def boxToJson(info: BoxWriteInfo)