Add blog to docs site (#1419)

website/site/static/admin/config.yml

@@ -1,6 +1,7 @@
 backend:
   name: github
   repo: netlify/netlify-cms
+  branch: master
   squash_merges: true
 
 publish_mode: editorial_workflow
@@ -17,6 +18,18 @@ collections: # A list of collections the CMS should be able to edit
       - {label: "Title", name: "title", widget: "string", tagname: "h1"}
       - {label: "Position", name: "position", widget: "number"}
       - {label: "Body", name: "body", widget: "markdown"}
+  - name: "blog"
+    label: "Blog"
+    label_singular: "Post"
+    folder: "website/site/content/blog"
+    create: true
+    fields:
+      - {label: "Title", name: "title", widget: "string", tagname: "h1"}
+      - {label: "Author", name: "author", widget: "string"}
+      - {label: "Description (for blog list)", name: "description", widget: "text"}
+      - {label: "Meta Description (defaults to Description)", name: "meta_description", widget: "text", required: false}
+      - {label: "Date", name: "date", widget: "date"}
+      - {label: "Body", name: "body", widget: "markdown"}
   - name: updates
     label: Updates
     files: