Add kapa.ai script (#4853)

Signed-off-by: Marc Duiker <marcduiker@users.noreply.github.com>

Author: marcduiker

daprdocs/layouts/partials/hooks/head-end.html

@@ -1,3 +1,25 @@
 {{ with .Site.Params.algolia_docsearch }}
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3" />
+
+<script
+  async
+  src="https://widget.kapa.ai/kapa-widget.bundle.js"
+  data-website-id="8e5bac24-7723-4b77-9b1b-99d6e058a864"
+  data-project-name="Dapr Docs AI"
+  data-modal-title="Dapr Docs AI assistant"
+  data-project-color="#ff4e00"
+  data-project-logo="https://cdn.prod.website-files.com/66965adecd57031ed9ad181e/689f979646c1922bbc244a8b_dapr-ai-icon-transparent.png"
+  data-modal-open-by-default="false"
+  data-modal-disclaimer="Answers are based on the Dapr docs, relevant websites, and GitHub repositories. Always double check the results and please provide feedback with a 👍 or 👎 so we continue to improve this service."
+  data-modal-example-questions="How do I get started with Dapr?, How do I use Kafka with Dapr Pub/Sub?, How do I run Dapr in production?, How do I build agentic AI with Dapr?"
+  data-modal-example-questions-title="Try asking:"
+  data-modal-ask-ai-input-placeholder="Ask me anything Dapr-related..."
+  data-answer-cta-button-enabled="true"
+  data-answer-cta-button-link="https://bit.ly/dapr-discord"
+  data-answer-cta-button-text="Join us on Discord"
+  data-modal-header-bg-color="#0D2192"
+  data-modal-title-color="#FFFFFF"
+  data-modal-image-height="32"
+  data-modal-image-width="32"
+></script>
 {{ end }}