docs: added a note about using Yarn for installation (#2778)

* docs: added a note about yarn being faster

* docs: fixed env variable used in admin deployment guide

* docs: fixed the use of noReport with npm2yarn

docs/content/advanced/backend/entities/index.md

@@ -75,7 +75,7 @@ Be careful with your file names as it can cause unclear errors in Typeorm. Make
 
 Before trying this step make sure that you’ve created and run your migrations. You also need to re-build your code using:
 
-```bash npm2yarn noReport
+```bash npm2yarn
 npm run build
 ```
 

docs/content/advanced/backend/services/create-service.md

@@ -54,7 +54,7 @@ In this section, you'll learn how to use services throughout your Medusa server.
 
 Before using your service, make sure you run the `build` command:
 
-```bash npm2yarn noReport
+```bash npm2yarn
 npm run build
 ```