fix: readme pi

Author: Neerajpathak07

lib/node_modules/@stdlib/constants/float32/ln-sqrt-two-pi/README.md

@@ -120,6 +120,12 @@ Macro for the [natural logarithm][@stdlib/math/base/special/lnf] of the [square
 
 <section class="related">
 
+* * *
+
+## See Also
+
+-   <span class="package-name">[`@stdlib/constants/float32/pi`][@stdlib/constants/float32/pi]</span><span class="delimiter">: </span><span class="description">π.</span>
+
 </section>
 
 <!-- /.related -->
@@ -132,6 +138,12 @@ Macro for the [natural logarithm][@stdlib/math/base/special/lnf] of the [square
 
 [@stdlib/math/base/special/sqrtf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/sqrtf
 
+<!-- <related-links> -->
+
+[@stdlib/constants/float32/pi]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/constants/float32/pi
+
+<!-- </related-links> -->
+
 </section>
 
 <!-- /.links -->