docs: added report issue link (#2028)

www/docs/docusaurus.config.js

@@ -112,6 +112,11 @@ module.exports = {
             },
           ]
         },
+        {
+          href: "https://github.com/medusajs/medusa/issues/new?assignees=&labels=type%3A+docs&template=docs.yml",
+          position: 'right',
+          label: 'Report an Issue'
+        },
         {
           href: "https://github.com/medusajs/medusa",
           className: "navbar-github-link",