Add best_fit

Author: shrijitsingh99

common/include/pcl/experimental/executor/executor.h

@@ -16,3 +16,7 @@
 #include <pcl/experimental/executor/trait/can_prefer.hpp>
 #include <pcl/experimental/executor/trait/can_query.hpp>
 #include <pcl/experimental/executor/trait/can_require.hpp>
+
+namespace executor {
+using best_fit = executor::inline_executor<>;
+}