docs(guide): update overview to cd into app

Author: brandyscarney

docs/angular/overview.md

@@ -34,6 +34,7 @@ Ionic uses the official Angular stack for building apps and routing, so your app
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type angular
 
+$ cd myApp
 $ ionic serve █
 ```
 

docs/react/overview.md

@@ -34,6 +34,7 @@ Ionic React works seamlessly with the React CLI and popular React tooling. You c
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type react
 
+$ cd myApp
 $ ionic serve █
 ```
 

docs/vue/overview.md

@@ -36,6 +36,7 @@ While you can use many [Cordova](https://cordova.apache.org/) plugins with Ionic
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type vue
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v5/react.md

@@ -109,6 +109,7 @@ At the end of the day, it's just React. Ionic React uses open web standards and
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type react
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v5/vue/overview.md

@@ -33,6 +33,7 @@ While there are no known technical limitations to using `Ionic Vue` with [Cordov
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type vue
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v6/angular/overview.md

@@ -34,6 +34,7 @@ Ionic uses the official Angular stack for building apps and routing, so your app
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type angular
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v6/react/overview.md

@@ -34,6 +34,7 @@ Ionic React works seamlessly with the React CLI and popular React tooling. You c
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type react
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v6/vue/overview.md

@@ -36,6 +36,7 @@ While you can use many [Cordova](https://cordova.apache.org/) plugins with Ionic
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type vue
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v7/angular/overview.md

@@ -34,6 +34,7 @@ Ionic uses the official Angular stack for building apps and routing, so your app
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type angular
 
+$ cd myApp
 $ ionic serve █
 ```
 

versioned_docs/version-v7/react/overview.md

@@ -34,6 +34,7 @@ Ionic React works seamlessly with the React CLI and popular React tooling. You c
 $ npm install -g @ionic/cli
 $ ionic start myApp tabs --type react
 
+$ cd myApp
 $ ionic serve █
 ```