Add Blink. Refactor examples.

tutorial.md

@@ -25,6 +25,7 @@ It declares the following set of elements:
 Element vbox(Children);
 Element hbox(Children);
 Element flex();
+Element flex(Element);
 
 // --- Widget --
 Element text(std::wstring text);
@@ -33,24 +34,28 @@ Element gauge(float ratio);
 Element frame(Child);
 Element frame(Child title, Child content);
 
-// -- Decorator (Style) ---
+// -- Style ---
 Element bold(Element);
 Element dim(Element);
 Element inverted(Element);
 Element underlined(Element);
-Element color(Color,Element);
-Element bgcolor(Element);
+Element blink(Element);
+Element color(Color, Element);
+Element bgcolor(Color, Element);
 
-// --- Decorator ---
+// --- Util ---
 Element hcenter(Element);
 Element vcenter(Element);
 Element center(Element);
-Element flex(Element);
+
+// --- Util ---
+Element nothing(Element element);
 ~~~
 
 ### Style
 A terminal console can usually display colored text and colored background.
-The text can also have different effects: bold, dim, underlined, inverted.
+The text can also have different effects: bold, dim, underlined, inverted,
+blink.
 
 ~~~cpp
 Element bold(Element);
@@ -164,5 +169,8 @@ frame(gauge(0.5))
 ## Components.
 
 ### Input
+  TODO(arthursonzogni): Add Video
 ### Menu
+  TODO(arthursonzogni): Add Video
 ### Toggle.
+  TODO(arthursonzogni): Add video