fix: lint markdown

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/beta/kurtosis/README.md

@@ -1,4 +1,4 @@
-    <!--
+<!--
 
 @license Apache-2.0
 
@@ -192,7 +192,7 @@ double stdlib_base_dists_beta_kurtosis( const double alpha, const double beta );
 
 <!-- /.usage -->
 
-<!-- C API usage notes. Make sure to keep an empty line after the `section` 
+<!-- C API usage notes. Make sure to keep an empty line after the `section`
 element and another before the `/section` close. -->
 
 <section class="notes">