[Email Routing] Add 3,000/mo included usage for email sending

Author: thomasgauvin

src/content/docs/email-routing/limits.mdx

@@ -3,10 +3,13 @@ pcx_content_type: reference
 title: Limits
 sidebar:
   order: 7
-
 ---
 
-import { Render } from "~/components"
+import { Render } from "~/components";
+
+## Email sending
+
+Email sending through [Email Workers](/email-routing/email-workers/send-email-workers/) includes 3,000 emails per month. For more details, refer to [Workers pricing](/workers/platform/pricing/#email-sending).
 
 ## Email Workers size limits
 

src/content/docs/workers/platform/pricing.mdx

@@ -212,6 +212,15 @@ For more information and [examples of Durable Objects billing](/durable-objects/
 
 :::
 
+## Email sending
+
+Sending emails through [Email Workers](/email-routing/email-workers/send-email-workers/) includes 3,000 emails per month on both the Workers Free and Workers Paid plans.
+
+|          | Included    |
+| -------- | ----------- |
+| **Free** | 3,000/month |
+| **Paid** | 3,000/month |
+
 ## Vectorize
 
 Vectorize is currently only available on the Workers paid plan.