Guru widget Introduced (#1996)

Hey @RobbeSneyders 

As discussed in [this
PR](#1989), I added the AI
widget to the docs. Here is how it looks:

<img width="1667" alt="Screenshot 2024-11-12 at 20 36 06"
src="https://github.com/user-attachments/assets/e26d245f-ab7d-461c-9e7b-1f54e01f8392">

docs/_static/js/guru_widget.js

@@ -0,0 +1,9 @@
+document.write(`
+    <script src="https://guru-widget.pages.dev/guru_widget.latest.min.js" 
+        data-text="Ask AI" 
+        data-link="https://gurubase.io/g/connexion" 
+        data-bg-color="#64B45C" 
+        data-icon-url="https://gurubase.io/_next/image?url=https%3A%2F%2Favatars.githubusercontent.com%2Fu%2F58754196%3Fv%3D4&w=96&q=75"
+        data-margins='{"bottom": "6rem", "right": "1rem"}'>
+    </script>
+`);

docs/conf.py

@@ -162,6 +162,10 @@
     'css/default.css',
 ]
 
+html_js_files = [
+    'js/guru_widget.js',
+]
+
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
 # directly to the root of the documentation.