add Image trace support

Author: novakov-alexey

.gitignore

@@ -1,2 +1,3 @@
 target/
 .bsp/
+.idea

README.md

@@ -28,10 +28,10 @@ It is published for both scala 2.12 and 2.13.
 
 ### From almond
 
-Add the `org.plotly-scala::plotly-almond:0.8.0` dependency to the notebook. (Latest version: [![Maven Central](https://img.shields.io/maven-central/v/org.plotly-scala/plotly-render_2.13.svg)](https://maven-badges.herokuapp.com/maven-central/org.plotly-scala/plotly-render_2.13))
+Add the `org.plotly-scala::plotly-almond:0.8.1` dependency to the notebook. (Latest version: [![Maven Central](https://img.shields.io/maven-central/v/org.plotly-scala/plotly-render_2.13.svg)](https://maven-badges.herokuapp.com/maven-central/org.plotly-scala/plotly-render_2.13))
 Then initialize plotly-scala, and use it, like
 ```scala
-import $ivy.`org.plotly-scala::plotly-almond:0.8.0`
+import $ivy.`org.plotly-scala::plotly-almond:0.8.1`
 
 import plotly._
 import plotly.element._
@@ -57,7 +57,7 @@ jupyter labextension install @jupyterlab/plotly-extension
 
 Add the corresponding dependency to your project, like
 ```scala
-libraryDependencies += "org.plotly-scala" %%% "plotly-render" % "0.8.0"
+libraryDependencies += "org.plotly-scala" %%% "plotly-render" % "0.8.1"
 ```
 (Latest version: [![Maven Central](https://img.shields.io/maven-central/v/org.plotly-scala/plotly-render_2.13.svg)](https://maven-badges.herokuapp.com/maven-central/org.plotly-scala/plotly-render_2.13))
 
@@ -93,7 +93,7 @@ plot.plot(
 
 Load the corresponding dependency, and some imports, like
 ```scala
-import $ivy.`org.plotly-scala::plotly-render:0.8.0`
+import $ivy.`org.plotly-scala::plotly-render:0.8.1`
 import plotly._, element._, layout._, Plotly._
 ```
 
@@ -137,7 +137,8 @@ plotly-scala supports the features illustrated in the following sections of the
 - [Subplots](https://plot.ly/javascript/subplots/),
 - [Multiple Axes](https://plot.ly/javascript/multiple-axes/),
 - [Histograms](https://plot.ly/javascript/histograms/),
-- [Log Plots](https://plot.ly/javascript/log-plot/).
+- [Log Plots](https://plot.ly/javascript/log-plot/), 
+- [Image](https://plotly.com/javascript/reference/image/).
 
 Some of these are illustrated in the [demo](https://alexarchambault.github.io/plotly-scala/) page.
 

core/shared/src/main/scala/plotly/Trace.scala

@@ -152,6 +152,29 @@ object Box {
     )
 }
 
+@data(optionSetters = true) class Image(
+  name: Option[String] = None,
+  text: Option[Seq[String]] = None,
+  opacity: Option[Double] = None,
+  ids: Option[Seq[String]] = None,
+  x0: Option[Element] = None,
+  dx: Option[Double] = None,
+  y0: Option[Element] = None,
+  dy: Option[Double] = None,
+  z: Seq[Seq[Seq[Int]]],
+  source: Option[String] = None,
+  hoverinfo: Option[HoverInfo] = None,
+  hovertemplate: Option[Seq[String]] = None,
+  meta: Option[String] = None,
+  customdata: Option[Seq[String]] = None,
+  xaxis: Option[AxisReference] = None,
+  yaxis: Option[AxisReference] = None,
+  colormodel: Option[String] = None,
+  zmax: Option[Seq[Int]] = None,
+  zmin: Option[Seq[Int]] = None,
+  hoverlabel: Option[HoverLabel] = None
+) extends Trace
+
 @data(optionSetters = true) class Bar(
              x: Sequence,
              y: Sequence,

core/shared/src/main/scala/plotly/element/Alignment.scala

@@ -0,0 +1,9 @@
+package plotly.element
+
+sealed abstract class Alignment(val label: String) extends Product with Serializable
+
+object Alignment {
+  case object Left extends Alignment("left")
+  case object Right extends Alignment("right")
+  case object Auto extends Alignment("auto")
+}

core/shared/src/main/scala/plotly/element/HoverInfo.scala

@@ -20,6 +20,7 @@ object HoverInfo {
   case object Z extends Element("z")
   case object Text extends Element("text")
   case object Name extends Element("name")
+  case object Color extends Element("color")
 
 
   case object All extends HoverInfo {

core/shared/src/main/scala/plotly/element/HoverLabel.scala

@@ -0,0 +1,12 @@
+package plotly.element
+
+import dataclass.data
+
+@data(optionSetters = true) class HoverLabel(
+  bgcolor: Option[OneOrSeq[Color]] = None,
+  bordercolor: Option[OneOrSeq[Color]] = None,
+  font: Option[HoverLabelFont] = None,
+  align: Option[OneOrSeq[Alignment]] = None,
+  namelength: Option[OneOrSeq[Int]] = None,
+  uirevision: Option[Element] = None
+)

core/shared/src/main/scala/plotly/element/HoverLabelFont.scala

@@ -0,0 +1,9 @@
+package plotly.element
+
+import dataclass.data
+
+@data(optionSetters = true) class HoverLabelFont(
+  family: Option[OneOrSeq[String]] = None,
+  size: Option[OneOrSeq[Double]] = None,
+  color: Option[OneOrSeq[Color]] = None
+)