• docs: badges updates to use nanoflann_vendor
• Merge pull request #313 from jlblancoc/chore/rename-ros-package-to-nanoflann-vendor
  chore(ros): rename the ROS package to nanoflann_vendor
  Only the ROS package name changes. The CMake package name comes from the
  CMake project, so find_package(nanoflann) keeps working unchanged.
• Contributors: Jose Luis Blanco-Claraco