add vtex guide (#27)

Author: julia-rabello

content/docs/introduction/_table.md

@@ -11,3 +11,4 @@
 [Slack Webhook](/docs/tutorials/slack-webhook)|[Sourcegraph](/docs/tutorials/sourcegraph)|[Square](/docs/tutorials/square)|
 [Stripe](/docs/tutorials/stripe)|[Sumo Logic](/docs/tutorials/sumologic)|[Tailscale](/docs/tutorials/tailscale)|
 [Twilio](/docs/tutorials/twilio)|
+[VTEX](/docs/tutorials/vtex)|

content/docs/tutorials/vtex.md

@@ -0,0 +1,49 @@
+---
+title: VTEX
+---
+
+*This tutorial provides step-by-step instructions on how to rotate a VTEX Application Key.*
+
+---
+
+## Generate a new VTEX Application Key
+
+### Step 1 - Navigate to the Application Key page
+Log into your VTEX admin account and navigate to `https://{accountName}.myvtex.com/admin/appkeys`.
+![](/images/vtex/1.gif)
+
+### Step 2 - Generate a new Application Key
+#### 2a. Click `Manage My Keys`
+![](/images/vtex/2.png)
+#### 2b. Click `Generate New`
+![](/images/vtex/3.png)
+#### 2c. Provide a `Label`, add roles and click `Generate`
+![](/images/vtex/4.gif)
+#### 2d. Copy the application token
+![](/images/vtex/5.png)
+
+---
+
+## Replace the Leaked VTEX Application Key
+Replace the leaked VTEX Application Key with the new one in all impacted applications and services.
+
+---
+
+## Revoke the Leaked VTEX Application Key
+
+### Step 1 - Navigate to the Application Key page
+Log into your VTEX admin account and navigate to `https://{accountName}.myvtex.com/admin/appkeys`.
+![](/images/vtex/1.gif)
+
+### Step 2 - Revoke the VTEX Application Key
+#### 2a. Click `Manage My Keys`
+![](/images/vtex/2.png)
+#### 2b. Click `Deactivate`
+Click the `Deactivate` menu option in the row corresponding to the Application Key you want to deactivate.
+![](/images/vtex/6.png)
+
+---
+
+## Resources
+- [VTEX Application Key Documentation](https://help.vtex.com/en/tutorial/application-keys--2iffYzlvvz4BDMr6WGUtet)
+- [VTEX Application Key Best Practices](https://help.vtex.com/en/tutorial/best-practices-application-keys--7b6nD1VMHa49aI5brlOvJm)