Included links to For The Record updates in the main README

Signed-off-by: sakundu <sakundu@ucsd.edu>

README.md

@@ -5,6 +5,7 @@
  - [Our Progress: A Chronology](https://tilos-ai-institute.github.io/MacroPlacement/Docs/OurProgress/) provides latest updates and is periodically synched to [this Google Doc](https://docs.google.com/document/d/1HHZNcid5CZvvRqj_njzF7hBhtNSpmRn3fCYniWNYBiY/edit).
  - Our [Proxy Cost](https://tilos-ai-institute.github.io/MacroPlacement/Docs/ProxyCost/) documentation gives implementation details to enable reproduction of the wirelength, density and congestion costs used by [Circuit Training](https://github.com/google-research/circuit_training).
  - Our [Code Elements](https://tilos-ai-institute.github.io/MacroPlacement/Docs/CodeElements/) documentation gives implementation details to enable reproduction of the gridding, grouping and clustering used by [Circuit Training](https://github.com/google-research/circuit_training).
+ - <a id="ForTheRecord"></a>A ["For the Record"](https://docs.google.com/document/d/1vkPRgJEiLIyT22AkQNAxO8JtIKiL95diVdJ_O4AFtJ8/edit) and ensuing series of updates ([#1](https://docs.google.com/document/d/1c-uweo3DHiCWZyBzAdNCqqcOrAbKq1sVIfY0_4bFCYE/edit), [#2](https://docs.google.com/document/d/1ibqf9LKQwR5BwYnWWLgvSwOz547VXoFhXHQzMzk7PbY/edit), [#3](https://docs.google.com/document/d/1IezovfF_Eq10Pumvl9Rb8oN7E9X7ALg73DFNsmoTlAc/edit)) have since June 2022 provided added context for our efforts.
 
 ## **Table of Contents**
   <!-- - [Reproducible Example Solutions](#reproducible-example-solutions) -->