Search customers and leads

curl --request GET \
  --url https://dev.flextell.ai/api/v1/general/global-search \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Tenant: <x-tenant>'

{
  "success": "<string>",
  "data": {
    "customers": [
      {
        "id": 123,
        "full_name": "<string>",
        "phone_number": "<string>",
        "email": "<string>"
      }
    ],
    "leads": [
      {
        "id": 123,
        "full_name": "<string>",
        "phone_number": "<string>",
        "email": "<string>"
      }
    ]
  }
}