Add Stargazer chart to README (moveit#2417)

Author: davetcoleman

README.md

@@ -79,3 +79,8 @@ geometric_shapes | [![Build Status](http://build.ros.org/buildStatus/icon?job=Ks
 rviz_marker_tools |  |  |  |  | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nsrc_uF__rviz_marker_tools__ubuntu_focal__source)](http://build.ros.org/view/Nsrc_uF/job/Nsrc_uF__rviz_marker_tools__ubuntu_focal__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nbin_uF64__rviz_marker_tools__ubuntu_focal_amd64__binary)](http://build.ros.org/view/Nbin_uF64/job/Nbin_uF64__rviz_marker_tools__ubuntu_focal_amd64__binary)
 rviz_visual_tools | [![Build Status](http://build.ros.org/buildStatus/icon?job=Ksrc_uX__rviz_visual_tools__ubuntu_xenial__source)](http://build.ros.org/view/Ksrc_uX/job/Ksrc_uX__rviz_visual_tools__ubuntu_xenial__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Kbin_uX64__rviz_visual_tools__ubuntu_xenial_amd64__binary)](http://build.ros.org/view/Kbin_uX64/job/Kbin_uX64__rviz_visual_tools__ubuntu_xenial_amd64__binary) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Msrc_uB__rviz_visual_tools__ubuntu_bionic__source)](http://build.ros.org/view/Msrc_uB/job/Msrc_uB__rviz_visual_tools__ubuntu_bionic__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Mbin_uB64__rviz_visual_tools__ubuntu_bionic_amd64__binary)](http://build.ros.org/view/Mbin_uB64/job/Mbin_uB64__rviz_visual_tools__ubuntu_bionic_amd64__binary) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nsrc_uF__rviz_visual_tools__ubuntu_focal__source)](http://build.ros.org/view/Nsrc_uF/job/Nsrc_uF__rviz_visual_tools__ubuntu_focal__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nbin_uF64__rviz_visual_tools__ubuntu_focal_amd64__binary)](http://build.ros.org/view/Nbin_uF64/job/Nbin_uF64__rviz_visual_tools__ubuntu_focal_amd64__binary)
 srdfdom | [![Build Status](http://build.ros.org/buildStatus/icon?job=Ksrc_uX__srdfdom__ubuntu_xenial__source)](http://build.ros.org/view/Ksrc_uX/job/Ksrc_uX__srdfdom__ubuntu_xenial__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Kbin_uX64__srdfdom__ubuntu_xenial_amd64__binary)](http://build.ros.org/view/Kbin_uX64/job/Kbin_uX64__srdfdom__ubuntu_xenial_amd64__binary) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Msrc_uB__srdfdom__ubuntu_bionic__source)](http://build.ros.org/view/Msrc_uB/job/Msrc_uB__srdfdom__ubuntu_bionic__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Mbin_uB64__srdfdom__ubuntu_bionic_amd64__binary)](http://build.ros.org/view/Mbin_uB64/job/Mbin_uB64__srdfdom__ubuntu_bionic_amd64__binary) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nsrc_uF__srdfdom__ubuntu_focal__source)](http://build.ros.org/view/Nsrc_uF/job/Nsrc_uF__srdfdom__ubuntu_focal__source) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Nbin_uF64__srdfdom__ubuntu_focal_amd64__binary)](http://build.ros.org/view/Nbin_uF64/job/Nbin_uF64__srdfdom__ubuntu_focal_amd64__binary)
+
+
+## Stargazers over time
+
+[![Stargazers over time](https://starchart.cc/ros-planning/moveit.svg)](https://starchart.cc/ros-planning/moveit)