[docs] NavBar add extra components (#465)

* [carousel] Fixed this arg in forEach

Should address issue #396

* [carousel] coerce querySelectorAll into an array

Coerce slide nodelist into an Array

* [carousel] ESLint

* [input-group-addon] conditional ID on root element

* [nav-item-dropdown] add ID to root element

* [docs] NavBar add extra components

* Update input-group-addon.vue

docs/components/navbar/meta.json

@@ -4,7 +4,9 @@
   "components": [
     "bNavItemDropdown",
     "bNavToggle",
-    "bNavItem"
+    "bNavItem",
+    "bNavText",
+    "bNavForm"
   ],
   "jsfiddle": "gfqucs0z"
-}
+}