Add missing cover field to note blueprint and move field to its own blueprint

site/blueprints/fields/cover.yml

@@ -0,0 +1,9 @@
+# Fields can be defined in there own field blueprints
+# and reused across multiple blueprints
+# This field is used in the album.yml and note.yml blueprints
+# See http://getkirby.test/docs/guide/blueprints/extending-blueprints#reusing-and-extending-single-fields
+type: files
+multiple: false
+query: page.images.template('image')
+uploads:
+  template: image

site/blueprints/pages/album.yml

@@ -24,12 +24,9 @@ columns:
     # List of all available field types:
     # https://getkirby.com/docs/reference/panel/fields
     fields:
-      cover:
+      # If you need the same field in multiple locations, you can define them once and reuse whereever needed.
-        type: files
+      # Here we use a files field defined in `/site/blueprints/field/cover.yml`
-        multiple: false
+      cover: fields/cover
-        query: page.images
-        uploads:
-          template: image  
       headline:
         type: text
         placeholder: "{{ page.title }}"

site/blueprints/pages/note.yml

@@ -38,6 +38,9 @@ columns:
       meta:
         type: fields
         fields:
+          # If you need the same field in multiple locations, you can define them once and reuse whereever needed.
+          # Here we use a files field defined in `/site/blueprints/field/cover.yml`
+          cover: fields/cover
           date:
             type: date
             time: true