docs: add some necessary steps to getting started

resolves #8

Author: danielroe

docs/content/2.getting-started.md

@@ -33,6 +33,8 @@ export default defineNuxtConfig({
 })
 ```
 
+Finally, either remove your `app.vue` file or replace it with a custom one (starting with [this template](/usage#advanced)).
+
 You're good to go!
 
 ## Options

docs/content/3.usage.md

@@ -13,6 +13,17 @@ Nuxt utilities like `definePageMeta` will continue to work, but you should avoid
 The root component of every page should be the `<ion-page>` component.
 ::
 
+::alert
+If you do not have a `~/pages/index.vue` file in your project, you should add the following code to the page that you want to be displayed on your app's root page:
+
+```ts [pages/home.vue]
+definePageMeta({
+  alias: ['/'],
+})
+```
+
+::
+
 ## Components
 
 All Ionic Vue components should be auto-imported throughout your app. (If you find one that isn't, please open an issue.) Although your IDE should be aware of these everywhere, they are not globally registered and are only imported within the components that use them.