ci: add default docs

Author: SWHL

overrides/main.html

@@ -2,4 +2,11 @@
 
 {% block announce %}
     <p>🎉 广州软件院开箱测评12款开源OCR，RapidOCR表现优异 → <a href="https://rapidai.github.io/RapidOCRDocs/blog/2024/12/08/guangzhou-software-institute-reviews-12-open-source-ocr-tools-rapidocr-stands-out" target="_blank">link</a></p>
+{% endblock %}
+
+{% block outdated %}
+You're not viewing the latest version.
+<a href="{{ '../' ~ base_url }}">
+    <strong>Click here to go to latest.</strong>
+</a>
 {% endblock %}