Add an overview of event_sources.json

README.md

@@ -36,7 +36,7 @@ node-lambda deploy
 
 #### setup
 
-Initializes the `event.json`, `context.json`, `.env` files, and `deploy.env` files. `event.json` is where you mock your event. `context.json` is where you can add additional mock data to the context passed to your lambda function. `.env` is where you place your deployment configuration. `deploy.env` has the same format as `.env`, but is used for holding any environment/config variables that you need to be deployed with your code to Lambda but you don't want in version control (e.g. DB connection info).
+Initializes the `event.json`, `context.json`, `.env`, `deploy.env` files, and `event_sources.json` files. `event.json` is where you mock your event. `context.json` is where you can add additional mock data to the context passed to your lambda function. `.env` is where you place your deployment configuration. `deploy.env` has the same format as `.env`, but is used for holding any environment/config variables that you need to be deployed with your code to Lambda but you don't want in version control (e.g. DB connection info). `event_sources.json` is used to set the event source of the Labmda function (Not all event sources available in Lambda are supported).
 
 ```
 $ node-lambda setup --help