fix: improve media fetching on collection page, add pagination (#788)

packages/core/dev-test/backends/gitlab/config.yml

@@ -3,10 +3,12 @@ backend:
   branch: main
   repo: static-cms/static-cms-gitlab
   auth_type: pkce
-  app_id: 91cc479ec663625098d456850c4dc4943fd8462064ebd9693b330e66f9d8f11a
+  app_id: 589ccb30ce31da8ba08e0b1e10b681a10be108e144508c2712573c6e4d60707e
 
 media_folder: assets/upload
 public_folder: /assets/upload
+media_library:
+  max_file_size: 100000000
 collections:
   - name: posts
     label: Posts
@@ -17,12 +19,14 @@ collections:
     folder: _posts
     slug: '{{year}}-{{month}}-{{day}}-{{slug}}'
     summary: '{{title}} -- {{year}}/{{month}}/{{day}}'
+    summary_fields:
+      - title
+      - date
+      - draft
     sortable_fields:
       fields:
         - title
         - date
-      default:
-        field: title
     create: true
     view_filters:
       - label: Posts With Index