update readme

README.md

@@ -1,11 +1,11 @@
 # tweet-github-release
 Little project built with Auth0's webtask that posts on Twitter new repo releases.
 
-1. Follow [this](https://webtask.io/cli) to get started with Webtask.io and install wt-cli
-2. Create a app on Twitter and get the credentials to replace in `app.js`
+1. Follow [this](https://webtask.io/cli) to get started with Webtask.io and install wt-cli;
+2. Create a app on Twitter and get the credentials, then create a file with them formatted as key=value;
 3. `npm i -g webtask-bundle`
 4. `wt-bundle --output ./tweet.js ./app.js`
-5. `wt create tweet.js`
+5. `wt create tweet.js --secrets-file yoursecretsfile`
 
 Then you should go to the settings of the repo of your choice, add the webhook
 (`https://webtask.it.auth0.com/api/run/{you-container-id}/tweet`) and chose to have it triggered on release actions.