- Added a new doc section about both new tokens 'section.prepend/append'

docs/02-control-structure-extends-section.md

@@ -120,3 +120,51 @@ We could use the previous file `path/home` and generate, let's say, the same pag
 ```
 
 Notice that the `<header>` tag is now empty, since we've redeclared it in our navless view.
+
+## Overview of `section` (string $name, array $options)
+
+In your `$name` variable, accepted characters are alpha-numeric and those specific caracters : `.-_:`, so
+names suches as :
+    
+    `body.content`
+    `my-cool-section:heading`
+    `MyOtherSection`
+    `_another_accepted_name`
+
+Allowed options are :
+
+    string `action` : allowed are `prepend`, `default`, `append` 
+    int `order` : if you must
+
+### Actions can also be passed using specials tokens :
+
+`section.prepend` and `section.append` can also be used without passing an `action` option.
+
+*path/home-nav.phtml*
+```html
+{% extends "path/home" %}
+
+{% section "header" %}
+    <a href="#mylink">First link here !</a>
+{% endsection %}
+```
+
+*path/home-admin-nav.phtml*
+```html
+{% extends "path/home-nav" %}
+
+{% section.prepend "header" %}
+    <h4>My new NAV header</h4>
+{% endsection %}
+
+{% section.append "header" %}
+    <a href="#mylink">Second link here !</a>
+{% endsection %}
+```
+
+**[HTML]** Would render as such :
+```html
+<h4>My new NAV header</h4>
+<a href="#mylink">First link here !</a>
+<a href="#mylink">Second link here !</a>
+```