Merge pull request #1752 from segmentio/eol-note

Update EoL Note

Author: markzegarelli

src/partners/subscriptions/build-functions.md

@@ -5,6 +5,10 @@ redirect_from: '/partners/build-functions/'
 
 Subscription Functions allow you to write custom JavaScript code that sends Segment Event Data to existing APIs. This guides explains how to write custom functions.
 
+> note ""
+> **NOTE:** On July 31, 2021 support for building Subscription Functions will be removed from Developer Center. You may continue building a Subscription Webhook. Segment is committed to improving the Developer Center experience with Developer Center 2.0, which will offer a more holistic approach to building on Segment. If you’re interested in joining the beta in the coming months, please fill out [this form](https://airtable.com/shrvZzQ6NTTwsc6rQ){:target="_blank"}.
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 ## Getting Started
 
 Review the steps outlined in the [Developer Center Overview](/docs/partners). This document outlines specific details for Step 4 as it relates to building a Subscription Function.

src/partners/subscriptions/index.md

@@ -21,6 +21,9 @@ Review the steps outlined in the [Developer Center Overview](/docs/partners). Th
 
 ## Build & Test
 
+> note ""
+> **NOTE:** On July 31, 2021 support for building Subscription Functions will be removed from Developer Center. You may continue building a Subscription Webhook. Segment is committed to improving the Developer Center experience with Developer Center 2.0, which will offer a more holistic approach to building on Segment. If you’re interested in joining the beta in the coming months, please fill out [this form](https://airtable.com/shrvZzQ6NTTwsc6rQ){:target="_blank"}.
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 You can subscribe to customer data in two ways:
 
 1. **[Webhook](/docs/partners/subscriptions/build-webhook)**: Build a new HTTP service that receives Webhook POSTs from Segment.