docs: link to ng new reference from installation guide

The installation guide walks a developer through `ng new <project-name>` but provides no link to the `ng new` CLI reference, leaving every option the command supports undiscoverable from the install flow. Link `ng new` in the prose to the reference page so options are one click away.

Author: erkamyaman

adev/src/content/introduction/installation.md

@@ -62,7 +62,7 @@ If you are having issues running this command in Windows or Unix, check out the
 
 #### Create a new project
 
-In your terminal, run the CLI command `ng new` with the desired project name. In the following examples, we'll be using the example project name of `my-first-angular-app`.
+In your terminal, run the CLI command [`ng new`](cli/new) with the desired project name. In the following examples, we'll be using the example project name of `my-first-angular-app`.
 
 ```shell
 ng new <project-name>