add country code to searchplaces docs

docs/api.mdx

@@ -823,6 +823,7 @@ Searches for places near a location, sorted by distance.
 - **`chainMetadata[key]`** (optional): Optional [chain metadata](/places#metadata) filters. Values may be of type string, boolean, or number. Type will be automatically inferred. For example, to match on `offers == true`, use `&chainMetadata[offers]=true`.
 - **`near`** (string, required): A location for the search. A string in the format `latitude,longitude`.
 - **`radius`** (number, optional): The radius to search, in meters. A number between 1 and 10000. Defaults to 1000.
+- **`country`** (string, optional): [Country](/regions/countries) filters. A string, comma-separated. If not provided, no country filtering is applied.
 - **`limit`** (number, optional): The max number of places to return. A number between 1 and 100. Defaults to 10.
 
 ###### Authentication level

docs/sdk/android.mdx

@@ -1393,6 +1393,7 @@ With the [places search API](/api#search-places), search for places near a locat
       {"starbucks"}, // chains
       null, // categories
       null, //groups
+      null, // countryCode
       10, // limit
       new RadarSearchPlacesCallback() {
         @Override
@@ -1413,6 +1414,7 @@ With the [places search API](/api#search-places), search for places near a locat
       arrayOf("starbucks"), // chains
       null, // categories
       null, // groups
+      null, // countryCode
       10 // limit
   ) { status, location, places ->
       // do something with places

docs/sdk/ios.mdx

@@ -1556,6 +1556,7 @@ Radar.searchPlaces(
     chains: ["starbucks"],
     categories: nil,
     groups: nil,
+    countryCode: nil
     limit: 10
 ) { (status: RadarStatus, location: CLLocation?, places: [RadarPlace]?) in
   // do something with places
@@ -1571,6 +1572,7 @@ Radar.searchPlaces(
                     chains:@[@"starbucks"]
                 categories:nil
                     groups:nil
+               countryCode:nil
                     limit:100
         completionHandler:^(RadarStatus status, CLLocation *location, NSArray<RadarPlace *> *places) {
   // do something with places