feat: add prompt suggestions and June events (#10726)

This PR adds the following two features

1. Prompt suggestions to get started with Copilot Chat
2. June events for each action

![CleanShot 2025-01-20 at 21 00
52@2x](https://github.com/user-attachments/assets/d73e7982-0f78-4d85-873e-da2c16762688)

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Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/i18n/locale/en/integrations.json

@@ -306,7 +306,8 @@
       "SEND_MESSAGE": "Send message...",
       "LOADER": "Captain is thinking",
       "YOU": "You",
-      "USE": "Use this"
+      "USE": "Use this",
+      "RESET": "Reset"
     },
     "FORM": {
       "CANCEL": "Cancel",