fix(docs): restore missing isHtml guard in config set man page

The Related Commands section had a closing <% } %> with no matching
opening tag, which made the man page fail to render as a lodash
template. Introduced when the page was copied from config-get.md.

Author: edusperoni

docs/man_pages/config/config-set.md

@@ -31,6 +31,8 @@ General | `$ ns config set <key> <value>`
 * Setting whole objects is not supported. Update individual keys instead. For example, use:
 	`$ ns config set android.codeCache true`
 
+<% if(isHtml) { %>
+
 ### Related Commands
 
 Command | Description