add maintenance mode banner

Author: markzegarelli

src/_includes/content/destination-maintenance.md

@@ -0,0 +1,11 @@
+{% capture name %}{{page.title | replace: 'Destination', ''}}{% endcapture %}
+{% capture link %}/docs/connections/destinations/catalog/actions-{{name | slugify}}{% endcapture %}
+{% if page.maintenance-content %}
+{% capture blurb %}{{page.maintenance-content}} {% endcapture %}
+{% else %}
+{% capture blurb %}A new version of this destination is available. See [{{name}} (Actions)]({{link}}) {% endcapture %}
+{% endif %}
+
+<div class="premonition warning"><div class="fa fa-check-square"></div><div class="content"><p class="header">{{page.title | replace: 'Destination', ''}} (Classic) is in Maintenance mode</p>
+<p markdown=1>The {{name}} (Classic) Destination has entered maintenance mode. Future updates are limited to security updates and bug fixes. {{blurb}}</p>
+</div></div>

src/_layouts/destination.html

@@ -8,6 +8,11 @@
   {{ destination-dossier | markdownify }}
 {% endunless %}
 
+{% if page.maintenance == true %}
+  {% capture maintenance-mode %}{% include content/destination-maintenance.md %}{% endcapture %}
+  {{maintenance-mode | markdownify}}
+{% endif %}
+
   {{ content }}
 
 {% unless page.hide-boilerplate == true %}

src/connections/destinations/catalog/amplitude/index.md

@@ -1,6 +1,7 @@
 ---
 title: Amplitude Destination
 hide-cmodes: true
+maintenance: true
 ---
 
 [Amplitude](https://amplitude.com/) is an event tracking and segmentation
@@ -13,10 +14,6 @@ Segment's Amplitude destination code is open source and available on GitHub. Fee
 - [iOS](https://github.com/segment-integrations/analytics-ios-integration-amplitude)
 - [Android](https://github.com/segment-integrations/analytics-android-integration-amplitude)
 
-> success ""
-> **New Amplitude destination available**: Segment's [Destination Actions](/docs/connections/destinations/actions/) allow you to explicitly set up your Amplitude mapping, and configure which events the mappings apply to. See [Amplitude Actions destination](/docs/connections/destinations/catalog/actions-amplitude/) for more information.
-
-
 
 In addition to the docs below, Amplitude created a [integration guide](https://developers.amplitude.com/docs/segment-amplitude-integration).
 

src/connections/destinations/catalog/braze/index.md

@@ -3,6 +3,8 @@ title: Braze Destination
 hide-cmodes: true
 hide-personas-partial: true
 hide-integrations-object: true
+maintenance: true
+maintenance-content: "New versions of this destination is available. See [Braze Cloud Mode (Actions)](/docs/connections/catalog/actions-braze-cloud) and [Braze Web Mode (Actions)](/docs/connections/catalog/actions-braze-web)."
 ---
 
 [Braze](https://www.braze.com/), formerly Appboy, is an engagement platform that empowers growth by helping marketing teams to build customer loyalty through mobile, omni-channel customer experiences.

src/connections/destinations/catalog/customer-io/index.md

@@ -3,6 +3,7 @@ title: Customer.io Destination
 rewrite: true
 redirect_from: "/connections/destinations/catalog/customer.io/"
 hide-personas-partial: true
+maintenance: true
 ---
 
 [Customer.io](https://customer.io/) helps you send automated email, push, SMS, and webhooks based on your customers' activities in your app or product. It makes conversion tracking, optimization and re-marketing easier. The `analytics.js` Customer.io Destination is open-source. You can browse the code [on GitHub](https://github.com/segment-integrations/analytics.js-integration-customerio).

src/connections/destinations/catalog/fullstory/index.md

@@ -1,6 +1,7 @@
 ---
 title: FullStory Destination
 rewrite: true
+maintenance: true
 ---
 [FullStory](https://help.fullstory.com/11269-Develop) lets product and support teams easily understand everything about the customer experience. The Segment integration for FullStory helps accurately identify your customers within the FullStory dashboard.
 

src/connections/destinations/catalog/slack/index.md

@@ -1,6 +1,7 @@
 ---
 rewrite: true
 title: Slack Destination
+maintenance: true
 ---
 
 [Slack](https://slack.com/) is a team collaboration tool where work flows. It's where the people you need, the information you share, and the tools you use come together to get things done.