Highlight deployment target support (#19)

We currently hide this away in an article, so let's make it a little
more prominent of a feature.

Author: stephencelis

README.md

@@ -28,7 +28,8 @@ library, [subscribe today](https://www.pointfree.co/pricing).
 
 ## Overview
 
-SharingGRDB is lightweight replacement for SwiftData and the `@Query` macro.
+SharingGRDB is lightweight replacement for SwiftData and the `@Query` macro that deploys all the way
+back to the iOS 13 generation of targets.
 
 <table>
 <tr>

Sources/SharingGRDB/Documentation.docc/SharingGRDB.md

@@ -2,7 +2,8 @@
 
 ## Overview
 
-SharingGRDB is lightweight replacement for SwiftData and the `@Query` macro:
+SharingGRDB is lightweight replacement for SwiftData and the `@Query` macro that deploys all the way
+back to the iOS 13 generation of targets.
 
 @Row {
   @Column {