Merge pull request #20 from vuejs-fr/api

Traduction de `api.md`

en/SUMMARY.md

@@ -7,21 +7,21 @@
 - [Introduction au moteur de dépaquetage](bundle-renderer.md)
 - [Configuration de pré-compilation](build-config.md)
 - [Gestion des CSS](css.md)
-- [Gestion des entêtes](head.md)
+- [Gestion des entêtes (En)](head.md)
 - [Mise en cache](caching.md)
 - [Envoi par flux](streaming.md)
-- [Réference de l'API (En)](api.md)
-  - [createRenderer (En)](api.md#createrendereroptions)
-  - [createBundleRenderer (En)](api.md#createbundlerendererbundle-options)
-  - [Class: Renderer (En)](api.md#class-renderer)
-  - [Class: BundleRenderer (En)](api.md#class-bundlerenderer)
-  - [Renderer Options (En)](api.md#renderer-options)
-    - [template (En)](api.md#template)
-    - [clientManifest (En)](api.md#clientmanifest)
-    - [inject (En)](api.md#inject)
-    - [shouldPreload (En)](api.md#shouldpreload)
-    - [runInNewContext (En)](api.md#runinnewcontext)
-    - [basedir (En)](api.md#basedir)
-    - [cache (En)](api.md#cache)
-    - [directives (En)](api.md#directives)
-  - [Plugins webpack (En)](api.md#webpack-plugins)
+- [Référence de l'API](api.md)
+  - [createRenderer](api.md#createrendereroptions)
+  - [createBundleRenderer](api.md#createbundlerendererbundle-options)
+  - [Class: Renderer](api.md#class-renderer)
+  - [Class: BundleRenderer](api.md#class-bundlerenderer)
+  - [Options de Renderer](api.md#renderer-options)
+    - [template](api.md#template)
+    - [clientManifest](api.md#clientmanifest)
+    - [inject](api.md#inject)
+    - [shouldPreload](api.md#shouldpreload)
+    - [runInNewContext](api.md#runinnewcontext)
+    - [basedir](api.md#basedir)
+    - [cache](api.md#cache)
+    - [directives](api.md#directives)
+  - [Plugins webpack](api.md#webpack-plugins)