feat: SLA List Item component (#9135)

- Base settings list and list item components.
- SLA list item component.

Fixes: https://linear.app/chatwoot/issue/CW-3126/create-a-sla-list-item-component-with-the-new-design


Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

tailwind.config.js

@@ -26,6 +26,11 @@ module.exports = {
     './app/views/**/*.html.erb',
   ],
   theme: {
+    extend: {
+      fontFamily: {
+        inter: ['Inter', ...defaultTheme.fontFamily.sans],
+      },
+    },
     fontSize: {
       ...defaultTheme.fontSize,
       xxs: '0.625rem',