Fix double-pasted README and add code tags around the terminal commands
Fix double-pasted README and add code tags around the terminal commands

jazcollins/models,tombstone/models,zbigniewwojna/text-rcnn,jazcollins/models,r888888888/models,xcyan/models,derekjchow/models,tombstone/models,derekjchow/models,jch1/models,cshallue/models,sshleifer/object_detection_kitti,sshleifer/object_detection_kitti,jazcollins/models,cshallue/models,cshallue/models,xcyan/models,bousmalis/models,sshleifer/object_detection_kitti,jch1/models,alexgorban/models,r888888888/models,xcyan/models,alexgorban/models,jiaphuan/models,tombstone/models,sshleifer/object_detection_kitti,derekjchow/models,tombstone/models,r888888888/models,xcyan/models,xcyan/models,bousmalis/models,alexgorban/models,tombstone/models,jiaphuan/models,jch1/models,tombstone/models,r888888888/models,derekjchow/models,jazcollins/models,cshallue/models,r888888888/models,jch1/models,xcyan/models,bousmalis/models,jiaphuan/models,bousmalis/models,sshleifer/object_detection_kitti,bousmalis/models,r888888888/models,jiaphuan/models,jch1/models,jiaphuan/models,alexgorban/models,jazcollins/models,jch1/models,cshallue/models,derekjchow/models,jazcollins/models,bousmalis/models,alexgorban/models,jiaphuan/models,sshleifer/object_detection_kitti