ported the colors example

Author: cometkim

examples/colors.res

@@ -0,0 +1,10 @@
+// see https://deno.land/std/examples/colors.ts
+
+@scope("import.meta") @val
+external main: bool = "main"
+
+if main {
+  open RescriptDeno.Std.Fmt.Color
+
+  "Hello world!"->bold->red->italic->bgBlue->Js.log
+}

src/RescriptDeno_Std_Fmt_Color.res

@@ -10,6 +10,9 @@ external setEnabled: bool => unit = "setColorEnabled"
 @module("https://deno.land/std/fmt/colors.ts")
 external getEnabled: unit => bool = "getColorEnabled"
 
+@module("https://deno.land/std/fmt/colors.ts")
+external bold: string => string = "bold"
+
 @module("https://deno.land/std/fmt/colors.ts")
 external reset: string => string = "reset"