Third Party ESD CAN Card: updated README

third_party/can_card_library/esd_can/README.md

@@ -9,6 +9,7 @@ In the first release of Apollo software, ESD PCIe CAN is supported out of the bo
   * Copy ntcan.h to include/
   * Copy 64-bit libntcan.so.4.0.1 to lib/
   * Do the following to add the necessary symbolic links:
+
         ```
         cd ./lib/;
         ln -s libntcan.so.4.0.1 libntcan.so.4;