chore: add example

Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/zdotc/examples/index.js

@@ -34,5 +34,8 @@ var y = filledarrayBy( 10, 'complex128', rand );
 console.log( y.toString() );
 
 // Perform dot product of x and y
-var z = zdotc.ndarray( x.length, x, 1, 0, y, 1, 0 );
+var z = zdotc( x.length, x, 1, y, 1 );
+console.log( z );
+
+z = zdotc.ndarray( x.length, x, 1, 0, y, 1, 0 );
 console.log( z );