added accordion component

Author: Cerem Cem ASLAN

components/accordion/index.ls

@@ -0,0 +1,9 @@
+Ractive.components['accordion'] = Ractive.extend do
+    template: '<div class="ui accordion {{class}}">{{yield}}</div>'
+    onrender: -> 
+        element = $ '.ui.accordion' 
+        element.accordion!
+        @set 'element', element
+
+    data: -> 
+        element: null

components/index.ls

@@ -59,6 +59,7 @@ require! './login'
 require! './icon'
 require! './btn'
 require! './s-input'
+require! './accordion'
 
 
 # decorators