Update README.md with video

README.md

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 # RRT_2D_3D
 
 
-https://github.com/daviddorf2023/ros2rrt/assets/113081373/681f2f3d-e7b1-4488-a605-03b472c3581f
 
+https://github.com/daviddorf2023/ros2rrt/assets/113081373/6f8e5829-7414-44c8-915c-48ec843377d8
 
-https://github.com/daviddorf2023/ros2rrt/assets/113081373/dd4268d0-8ca6-4d42-8f72-c304640ba5f7
+## Authors and Contributors
+Author: David Dorf
 
 ## Description
 3D and 2D implementation of Rapid Exploring Random Tree algorithms for ROS 2. The main ROS 2 nodes are rrt2D and rrt3D, which can take user inputs and publish the nodes of the RRT and the path to the goal. The ROS 2 nodes are currently in development. The nodes can subscribe to topics for map data, marker obstacles, and can be launched with rrt2Dlaunch.xml and rrt3Dlaunch.xml, respectively.
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 rrt2D is a ROS 2 node that implements the RRT algorithm in 2D. It can be launched with the rrt2Dlaunch.xml file. The node subscribes to the /occupancy_grid topic for map data and the /obstacle_markers_2D topic for marker obstacles. The node publishes the nodes of the RRT to the /rrt_markers topic and the path to the goal to the /rrt_path topic.
 #### rrt3D
 rrt3D is a ROS 2 node that implements the RRT algorithm in 3D. It can be launched with the rrt3Dlaunch.xml file. The node subscribes to the /occupancy_grid topic for map data and the /obstacle_markers_3D topic for marker obstacles. The node publishes the nodes of the RRT to the /rrt_markers topic and the path to the goal to the /rrt_path topic.
-
-## Authors and Contributors
-Author: David Dorf