🔖(major) release 3.0.0

Added:
- 📄(legal) Require contributors to sign a DCO

Changed:
- ♻️(frontend) Integrate UI kit
- 🏗️(y-provider) manage auth in y-provider app

Fixed:
- 🐛(backend) compute ancestor_links in get_abilities
  if needed
- 🔒️(back) restrict access to document accesses

src/helm/helmfile.yaml

@@ -1,7 +1,7 @@
 environments:
   dev:
     values:
-      - version: 2.6.0
+      - version: 3.0.0
 ---
 repositories:
 - name: bitnami

src/helm/impress/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
 type: application
 name: docs
-version: 2.6.0
+version: 3.0.0
 appVersion: latest