Single file collections (#132)

* Files based collections skeleton

* listing file based cards

* create new entry with collection

* moved lookupEntry to main backend

* Editing single page Collections file

* List widget basic implementation

* Adjustments for test-repo

* check if value exists before trying to iterate over

example/config.yml

@@ -37,13 +37,6 @@ collections: # A list of collections the CMS should be able to edit
         description: "General Site Settings"
         fields:
           - {label: "Global title", name: site_title, widget: "string"}
-          - label: "Post Settings"
-            name: posts
-            widget: "object"
-            fields:
-              - {label: "Number of posts on frontpage", name: front_limit, widget: number}
-              - {label: "Default Author", name: author, widget: string}
-              - {label: "Default Thumbnail", name: thumb, widget: image, class: "thumb"}
 
       - name: "authors"
         label: "Authors"

example/index.html

@@ -30,7 +30,7 @@
     },
     _data: {
       "settings.json": {
-        content: '{"site_title": "CMS Demo", "posts": {"front_limit": 5, "author": "Matt Biilmann"}}'
+        content: '{"site_title": "CMS Demo"}'
       },
       "authors.yml": {
         content: 'authors:\n  - name: Mathias\n    description: Co-founder @ Netlify\n'