style: align array/base/assert/is-complex64array with namespace conventions

Added missing `<section class="references">` placeholder (present in 81%
of siblings).

Author: claude

lib/node_modules/@stdlib/array/base/assert/is-complex64array/README.md

@@ -128,6 +128,14 @@ bool = isComplex64Array( { 'length': 0 } );
 
 <!-- /.examples -->
 
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
 
 <section class="related">