message: docs: fix code examples style
  PR Close
diff: @@ -32,11 +32,11 @@ For example:
  The base file `environment.ts`, contains the default environment settings. For example:
  -<code-example language="none" class="code-shell">
  +```
  export const environment = {
  production: false
  };
  -</code-example>
  +```
  The `build` command uses this as the build target when no environment is specified.
  You can add further variables, either as additional properties on the environment object, or as separate objects.
  @@ -144,7 +144,11 @@ You can add additional configurations as required. To add a staging environment,
  You can add more configuration options to this target environment as well.
  Any option that your build supports can be overridden in a build target configuration.
  -To build using the staging configuration, run `ng build --configuration=staging`.
  +To build using the staging configuration, run the following command:
  +
  +<code-example language="sh" class="code-shell">
  + ng build --configuration=staging
  +</code-example>
  You can also configure the `serve` command to use the targeted build configuration if you add it to the "serve:configurations" section of `angular.json`:
  