Fixes page names in MkDocs configuration file

Author: froschdesign

mkdocs.yml

@@ -1,14 +1,14 @@
 docs_dir: doc/book
 site_dir: doc/html
 pages:
-    - index.md
+    - Home: index.md
     - "Quick Start": quick-start.md
     - "Rendering Views":
         - "The PhpRenderer": php-renderer.md
         - "View Scripts": view-scripts.md
         - "The ViewEvent": view-event.md
     - Helpers:
-        - Intro: helpers/intro.md
+        - Introduction: helpers/intro.md
         - Asset: helpers/asset.md
         - BasePath: helpers/base-path.md
         - Cycle: helpers/cycle.md