Chore: Add link to product docs on sidebar (#5119)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/dashboard/components/layout/sidebarComponents/PrimaryNavItem.vue

@@ -5,6 +5,8 @@
       :href="href"
       class="button clear button--only-icon menu-item"
       :class="{ 'is-active': isActive || isChildMenuActive }"
+      :rel="openInNewPage ? 'noopener noreferrer nofollow' : undefined"
+      :target="openInNewPage ? '_blank' : undefined"
       @click="navigate"
     >
       <fluent-icon :icon="icon" />
@@ -36,6 +38,10 @@ export default {
       type: Boolean,
       default: false,
     },
+    openInNewPage: {
+      type: Boolean,
+      default: false,
+    },
   },
 };
 </script>