YSHOP2-701 : Adding text on customizing the checkout color in the glo…

…bal settings - theme 1 (#373)

## JIRA Ticket

[YSHOP2-701](https://youcanshop.atlassian.net/browse/YSHOP2-701)

## QA Steps

- [ ] `pnpm i`
- [ ] `pnpm dev`

## Note

Leave empty when you have nothing to say


[YSHOP2-701]:
https://youcanshop.atlassian.net/browse/YSHOP2-701?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

config/settings_schema.json

@@ -48,6 +48,10 @@
   {
       "label": "Color Palette",
       "settings": [
+          {
+              "type": "paragraph",
+              "content": "ℹ️ To offer a branded experience to your customers, make sure to also update the checkout color palette in the seller area (Settings > Checkout)."
+          },
           {
               "type": "color",
               "id": "primary_color",