Add banner announcing Continue CLI v1.4.49

- Added dismissable banner to docs.json
- Banner promotes CLI v1.4.49 release and links to MCP Cookbooks
- Banner is dismissable for better UX

Generated with [Continue](https://continue.dev)

Co-Authored-By: Continue <[email protected]>
Co-authored-by: Username <[email protected]>

Author: 3 people

docs/docs.json

@@ -2,6 +2,10 @@
   "$schema": "https://mintlify.com/docs.json",
   "theme": "mint",
   "name": "Continue",
+  "banner": {
+    "content": "Continue CLI v1.4.49 is live 🚀 Learn how you can [leverage the CLI with our MCP Cookbooks](/guides/overview#mcp-integration-cookbooks)",
+    "dismissable": true
+  },
   "colors": {
     "primary": "#6b7280",
     "light": "#ffffff",