Fixes after HTTP client changes (#3)

Author: apolukhin

src/main.cpp

@@ -1,4 +1,4 @@
-#include <userver/clients/http/component.hpp>
+#include <userver/clients/http/component_list.hpp>
 #include <userver/components/minimal_server_component_list.hpp>
 #include <userver/server/handlers/ping.hpp>
 #include <userver/server/handlers/tests_control.hpp>
@@ -19,8 +19,7 @@ int main(int argc, char* argv[]) {
   auto component_list = userver::components::MinimalServerComponentList()
                             .Append<userver::server::handlers::Ping>()
                             .Append<userver::components::TestsuiteSupport>()
-                            .Append<userver::components::HttpClientCore>()
-                            .Append<userver::components::HttpClient>()
+                            .AppendComponentList(userver::clients::http::ComponentList())
                             .Append<userver::server::handlers::TestsControl>();
 
   component_list.Append<userver::components::Postgres>("postgres");