20230427 README for release/8.8.10 (#325)

* Add extra clarity at top of 8.8.10 README

* More edits

README.md

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 <h1 style="color: red">IMPORTANT – PLEASE READ!</h1>
 
-<h3>On <strong>April 24, 2023</strong>, there has been a <strong>significant update</strong> to the React SDK <strong>main</strong> branch.</h3>.  The previous **main** branch was moved to this **release/8.8.10** branch.
-<br />
-
-For those users that want to move to the new main branch **we strongly recommend** that you clone the latest main (known as release 8.23.10) into a new working folder locally. The existing SDK folder structure has significantly changed and may result in the deletion of folders in your local working copy.   Some recommendations on how to migrate your existing components to the new SDK are [available here](https://docs.pega.com/bundle/constellation-sdk/page/constellation-sdks/sdks/upgrading-sdk.html) along with a comprehensive set of documentation updates describing the [new capabilities](https://docs.pega.com/bundle/constellation-sdk/page/constellation-sdks/sdks/whats-new-sdk.html)
+<h3>On <strong>April 24, 2023</strong>, there has been a <strong>significant update</strong> to the React SDK <strong>main</strong> branch. The previous <strong>main</strong> branch was moved to <u>this</u> <strong>release/8.8.10</strong> branch.
+</h3>
+
+<p>
+This <strong>release/8.8.10</strong> branch provides the original <strong>React
+SDK</strong> packaging and is intended for early users who had started to use
+the original React SDK <em>or</em> who <em>require</em> the use of <strong>Infinity 8.7.*</strong>
+</p>
+<p>
+<strong>New</strong> React SDK users and users targeting
+<strong>Infinity 8.8.0+</strong> are strongly encouraged to use the newer
+React SDK packaging found in the <strong>main</strong> branch.
+</p>
+
+For those users that want to move to the new **main** branch **we strongly recommend** that you clone the latest main (known as release 8.23.10) into a new working folder locally. The existing SDK folder structure has significantly changed and may result in the deletion of folders in your local working copy.   Some recommendations on how to migrate your existing components to the new SDK are [available here](https://docs.pega.com/bundle/constellation-sdk/page/constellation-sdks/sdks/upgrading-sdk.html) along with a comprehensive set of documentation updates describing the [new capabilities](https://docs.pega.com/bundle/constellation-sdk/page/constellation-sdks/sdks/whats-new-sdk.html)
 
 **For any SDK user who wants to remain on the old main branch**, continue to use this branch:
 
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**release/8.8.10**
 
-The updates that have been made to the main branch reflect a significant repackaging of the React SDK that addresses 2 key improvements:
+The updates that have been made to the **main** branch reflect a significant repackaging of the React SDK that addresses 2 key improvements:
 
 1.	The **DX Component Builder tool** for creating custom DX components is **fully integrated** into the SDK. There is no longer a need to create custom components with a separate tool (in a separate folder structure) and then copy the components into the SDK.