updated readme and vignette

Author: pvictor

README.md

@@ -1,6 +1,6 @@
 # toastui
 
-> R Htmlwidgets for [TOAST UI](https://ui.toast.com/) JavaScript libraries: [Grid](https://ui.toast.com/tui-grid/), [Calendar](https://ui.toast.com/tui-calendar/) and [Chart](https://ui.toast.com/tui-chart/).
+> R Htmlwidgets for [TOAST UI](https://ui.toast.com/) JavaScript libraries: [Grid](https://ui.toast.com/tui-grid/), [Calendar](https://ui.toast.com/tui-calendar/), [Chart](https://ui.toast.com/tui-chart/) and [Editor](https://ui.toast.com/tui-editor).
 
 <!-- badges: start -->
 [![version](https://www.r-pkg.org/badges/version/toastui)](https://CRAN.R-project.org/package=toastui)

vignettes/figures/editor.png

@@ -66,3 +66,15 @@ chart(mtcars, caes(mpg, disp, color = cyl), type = "scatter")
 
 ⇨ [See full documentation and interactive examples](https://dreamrs.github.io/toastui/articles/extras/chart.html)
 
+
+
+## Editor
+
+Create interactive Markdown WYSIWYG editor:
+
+```
+editor(previewStyle = "vertical")
+```
+
+![](figures/chart.png)
+