Merge pull request #2328 from o-farooq/master

docs: fix create-app command and link

docs/features/techdocs/getting-started.md

@@ -28,7 +28,7 @@ installed:
 To create a new Backstage application for TechDocs, run the following command:
 
 ```bash
-npx @backstage/cli create-app
+npx @backstage/create-app
 ```
 
 You will then be prompted to enter a name for your application. Once that's

microsite/blog/2020-04-30-how-to-quickly-set-up-backstage.md

@@ -34,7 +34,7 @@ You get to take full advantage of a platform that we at Spotify have been using
 Just run the backstage-cli:
 
 ```bash
-npx @backstage/cli create-app
+npx @backstage/create-app
 ```
 
 Name your app, and we will create everything you need:
@@ -50,7 +50,7 @@ yarn start
 
 And you are good to go! 👍
 
-Read the full documentation on how to [create an app](/docs/getting-started/create-an-app.md) on GitHub.
+Read the full documentation on how to [create an app](/docs/getting-started/create-an-app) on GitHub.
 
 ## What do I get? (Let's get technical...)