Update readme

Author: georgeboot

.npmignore

@@ -6,3 +6,5 @@ vendor/
 .idea/
 .phpunit.result.cache
 yarn-error.log
+composer.json
+composer.lock

README.md

@@ -29,9 +29,9 @@ First we have to install both the composer and npm package:
 ```shell
 composer require georgeboot/laravel-echo-api-gateway
 
-yarn add georgeboot/laravel-echo-api-gateway
+yarn add laravel-echo-api-gateway
 # or
-npn install --save georgeboot/laravel-echo-api-gateway
+npn install --save laravel-echo-api-gateway
 ```
 
 Next, we have to add some elements to our `serverless.yml` file.