docs(rust): update the README.

Author: nkaz001

README.rst

@@ -163,6 +163,7 @@ Tutorials
 * `Integrating Custom Data <https://hftbacktest.readthedocs.io/en/latest/tutorials/Integrating%20Custom%20Data.html>`_
 * `Making Multiple Markets - Introduction <https://hftbacktest.readthedocs.io/en/latest/tutorials/Making%20Multiple%20Markets%20-%20Introduction.html>`_
 * `High-Frequency Grid Trading <https://hftbacktest.readthedocs.io/en/latest/tutorials/High-Frequency%20Grid%20Trading.html>`_
+* `High-Frequency Grid Trading - Comparison Across Other Exchanges <https://hftbacktest.readthedocs.io/en/latest/tutorials/High-Frequency%20Grid%20Trading%20-%20Comparison%20Across%20Other%20Exchanges.html>`_
 * `Impact of Order Latency <https://hftbacktest.readthedocs.io/en/latest/tutorials/Impact%20of%20Order%20Latency.html>`_
 * `Order Latency Data <https://hftbacktest.readthedocs.io/en/latest/tutorials/Order%20Latency%20Data.html>`_
 * `Guéant–Lehalle–Fernandez-Tapia Market Making Model and Grid Trading <https://hftbacktest.readthedocs.io/en/latest/tutorials/GLFT%20Market%20Making%20Model%20and%20Grid%20Trading.html>`_

docs/index.rst

@@ -256,6 +256,7 @@ Please see the `roadmap <https://github.com/nkaz001/hftbacktest/blob/master/ROAD
    tutorials/Integrating Custom Data
    tutorials/Making Multiple Markets - Introduction
    tutorials/High-Frequency Grid Trading
+   tutorials/High-Frequency Grid Trading - Comparison Across Other Exchanges
    tutorials/Impact of Order Latency
    tutorials/Order Latency Data
    tutorials/GLFT Market Making Model and Grid Trading