fix(chromatic.yaml): change edit-mode from replace to append to preserve existing comments in pull request

.github/workflows/chromatic.yaml

@@ -37,7 +37,7 @@ jobs:
           issue-number: ${{ github.event.pull_request.number }}
           body-includes: '<!-- STORYBOOK_BUILD_STATUS -->'
           comment-author: 'github-actions[bot]'
-          edit-mode: replace
+          edit-mode: append
           body: |
             <!-- STORYBOOK_BUILD_STATUS -->
             ## 🎨 Storybook Build Status

README.md

@@ -529,6 +529,10 @@ For detailed development setup, testing procedures, and technical information, p
 
 See [locales/README.md](src/locales/README.md) for details.
 
+### Storybook
+
+See [.storybook/README.md](.storybook/README.md) for component development and visual testing documentation.
+
 ## Troubleshooting
 
 For comprehensive troubleshooting and technical support, please refer to our official documentation: