Code cleaning, update Readme

demo/colored.go

@@ -1 +1,32 @@
+// Print a colored string with the 'standard' figlet font
+
 package main
+
+import (
+	"fmt"
+	"github.com/probandula/figlet4go"
+	// This package is used to define the colors
+	"github.com/fatih/color"
+)
+
+const str string = "Colored"
+
+func main() {
+	ascii := figlet4go.NewAsciiRender()
+
+	// Add the colors to the options
+	options := figlet4go.NewRenderOptions()
+	options.FontColor = []color.Attribute{
+		color.FgGreen,
+		color.FgYellow,
+		color.FgCyan,
+	}
+
+	// Use the RenderOpts instead of the Render method
+	renderStr, err := ascii.RenderOpts(str, options)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Print(renderStr)
+}