docs: change app-config url to avoid naming conflicts with app.vue (#9377)

docs/content/1.docs/1.getting-started/3.configuration.md

@@ -93,7 +93,7 @@ const appConfig = useAppConfig()
 </script>
 ```
 
-:ReadMore{link="/docs/guide/directory-structure/app.config"}
+:ReadMore{link="/docs/guide/directory-structure/app-config"}
 
 ## `runtimeConfig` vs `app.config`
 

docs/content/1.docs/3.api/1.composables/use-app-config.md

@@ -1,6 +1,6 @@
 # `useAppConfig`
 
-Access the reactive [app config](/docs/guide/directory-structure/app.config) defined in the project.
+Access the reactive [app config](/docs/guide/directory-structure/app-config) defined in the project.
 
 **Usage:**
 
@@ -10,4 +10,4 @@ const appConfig = useAppConfig()
 console.log(appConfig)
 ```
 
-::ReadMore{link="/docs/guide/directory-structure/app.config"}
+::ReadMore{link="/docs/guide/directory-structure/app-config"}

docs/content/1.docs/3.api/3.utils/update-app-config.md

@@ -1,6 +1,6 @@
 # `updateAppConfig`
 
-Updates [app config](/docs/guide/directory-structure/app.config) using deep assignment. Existing (nested) properties will be preserved.
+Updates [app config](/docs/guide/directory-structure/app-config) using deep assignment. Existing (nested) properties will be preserved.
 
 **Usage:**
 
@@ -14,4 +14,4 @@ updateAppConfig(newAppConfig)
 console.log(appConfig) // { foo: 'baz' }
 ```
 
-::ReadMore{link="/docs/guide/directory-structure/app.config"}
+::ReadMore{link="/docs/guide/directory-structure/app-config"}