feat: expose kapi as part of docs (#3996)

Small poc to add ask kapi.ai to our docs. UI not great yet. 


![image](https://github.com/Unleash/unleash/assets/158948/68a5b60f-0262-4fe3-89d8-3fcf30d23029)

And this is the widget in action:

![image](https://github.com/Unleash/unleash/assets/158948/63b0bcdd-b164-46dc-89ea-7f7f80aa364a)

---------

Co-authored-by: Thomas Heartman <thomas@getunleash.io>

website/docusaurus.config.js

@@ -636,4 +636,15 @@ module.exports = {
         'docusaurus-theme-openapi-docs', // Allows use of @theme/ApiItem and other components
         '@docusaurus/theme-mermaid',
     ],
+    scripts: [
+        {
+            src: 'https://widget.kapa.ai/kapa-widget.bundle.js',
+            'data-website-id': '1d187510-1726-4011-b0f7-62742ae064ee',
+            'data-project-name': 'Unleash',
+            'data-project-color': '#1A4049',
+            'data-project-logo':
+                'https://cdn.getunleash.io/uploads/2022/05/logo.png',
+            async: true,
+        },
+    ],
 };

website/src/components/Figure/styles.module.css

@@ -1,5 +1,5 @@
 /* Figures (with captions) */
-figure {
+.main-wrapper figure {
     box-shadow: var(--ifm-global-shadow-lw);
     border-radius: var(--ifm-global-radius);
     border: var(--ifm-global-border-width) solid var(--unleash-color-gray);