feat: add geo location parameter to search engine

[meirk-brd]

Summary

This PR adds geo-location targeting support to the search_engine and search_engine_batch tools, allowing users to specify a 2-letter country code to get geo-targeted Google search results from specific locations.

Changes

Core Functionality

• Updated search_url() function
  • Added geo_location parameter to the function signature
  • Appends &gl={country_code} query parameter to Google search URLs when geo_location is provided
  • No changes to Bing and Yandex URL generation

Tool Updates

1. search_engine tool

   • Added optional geo_location parameter (2-letter country code string)
   • Updated execute function to pass geo_location to search_url()
   • Fixed Google URL formatting by adding &brd_json=1 to the URL parameter

2. search_engine_batch tool

   • Added optional geo_location parameter to query object schema
   • Updated map function to destructure and pass geo_location for each query
   • Fixed Google URL formatting by adding &brd_json=1 to the URL parameter

Usage Examples

Single Search with Geo-Location

{
  query: "pizza delivery",
  engine: "google",
  geo_location: "us"  // Get results from United States
}

Batch Search with Different Locations

{
  queries: [
    {
      query: "best restaurants",
      engine: "google",
      geo_location: "uk"  // Results from United Kingdom
    },
    {
      query: "best restaurants",
      engine: "google",
      geo_location: "fr"  // Results from France
    }
  ]
}