🔖(major) release 4.0.0

Added:
- ✨ Add comments feature to the editor
- ✨(backend) Comments on text editor
- ✨(frontend) link to create new doc

Changed:
- ⚡️(sw) stop to cache external resources likes videos
- 💥(frontend) upgrade to ui-kit v2
- ⚡️(frontend) improve perf on upload and table of contents
- ♿(frontend) improve accessibility:
  - ♿(frontend) improve share modal button accessibility
  - ♿(frontend) improve screen reader support in DocShare modal

Fixed:
- 🐛(frontend) fix toolbar not activated when reader
- 🐛(frontend) preserve left panel width on window resize
- 🐛(frontend) prevent duplicate as first character in title

src/helm/helmfile.yaml.gotmpl

@@ -1,10 +1,10 @@
 environments:
   dev:
     values:
-      - version: 3.10.0
+      - version: 4.0.0
   feature:
     values:
-      - version: 3.10.0
+      - version: 4.0.0
         feature: ci
         domain: example.com
         imageTag: demo

src/helm/impress/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
 type: application
 name: docs
-version:  3.10.0
+version:  4.0.0
 appVersion: latest