refactor: update content structure and layout templates

- Updated author format in content files
- Added section field to content files
- Simplified categories format
- Removed no-category.html layout
- Updated list.html and single.html layouts
- Updated index.html layout
- Updated generate-content.js script
- Do not index content with git

content/streaming/2017-10-blackpills/index.md

@@ -6,9 +6,10 @@ slug: "blackpills"
 wordpress_id: 210
 excerpt: "Lancé en 2016, Blackpills est la nouvelle plateforme de vidéo à la demande créé par Daniel Marhely (co-fondateur…\n"
 featured_image: ""
-author: {"id":1,"name":"Kevin"}
-categories: [{"id":10,"name":"Streaming","slug":"streaming"}]
+author: "Kevin"
+categories: ["Streaming"]
 tags: []
+section: "streaming"
 ---
 
 </p>