docs: update links

Author: kgryte

lib/node_modules/@stdlib/regexp/reviver/README.md

@@ -99,6 +99,12 @@ var bool = ( re1.toString() === re2.toString() );
 
 <section class="related">
 
+* * *
+
+## See Also
+
+-   <span class="package-name">[`@stdlib/regexp/to-json`][@stdlib/regexp/to-json]</span><span class="delimiter">: </span><span class="description">return a JSON representation of a regular expression.</span>
+
 </section>
 
 <!-- /.related -->
@@ -111,6 +117,10 @@ var bool = ( re1.toString() === re2.toString() );
 
 [@stdlib/regexp/to-json]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/regexp/to-json
 
+<!-- <related-links> -->
+
+<!-- </related-links> -->
+
 </section>
 
 <!-- /.links -->

lib/node_modules/@stdlib/regexp/to-json/README.md

@@ -111,6 +111,12 @@ out = regexp2json( /ab+c/g );
 
 <section class="related">
 
+* * *
+
+## See Also
+
+-   <span class="package-name">[`@stdlib/regexp/reviver`][@stdlib/regexp/reviver]</span><span class="delimiter">: </span><span class="description">revive a JSON-serialized regular expression.</span>
+
 </section>
 
 <!-- /.related -->
@@ -125,6 +131,8 @@ out = regexp2json( /ab+c/g );
 
 <!-- <related-links> -->
 
+[@stdlib/regexp/reviver]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/regexp/reviver
+
 <!-- </related-links> -->
 
 </section>