add topic frontmatter to articles (#18245)

content/github/managing-subscriptions-and-notifications-on-github/about-notifications.md

@@ -9,6 +9,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 {% if enterpriseServerVersions contains currentVersion %}

content/github/managing-subscriptions-and-notifications-on-github/configuring-notifications.md

@@ -17,6 +17,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 {% if enterpriseServerVersions contains currentVersion %}

content/github/managing-subscriptions-and-notifications-on-github/customizing-a-workflow-for-triaging-your-notifications.md

@@ -5,6 +5,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 ### Starting your inbox triage

content/github/managing-subscriptions-and-notifications-on-github/index.md

@@ -8,6 +8,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 ### Table of Contents

content/github/managing-subscriptions-and-notifications-on-github/managing-notifications-from-your-inbox.md

@@ -8,6 +8,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 {% if enterpriseServerVersions contains currentVersion %}

content/github/managing-subscriptions-and-notifications-on-github/managing-subscriptions-for-activity-on-github.md

@@ -6,5 +6,7 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 

content/github/managing-subscriptions-and-notifications-on-github/managing-your-subscriptions.md

@@ -5,6 +5,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 To help you understand your subscriptions and decide whether to unsubscribe, see "[Viewing your subscriptions](/github/managing-subscriptions-and-notifications-on-github/viewing-your-subscriptions)."

content/github/managing-subscriptions-and-notifications-on-github/setting-up-notifications.md

@@ -8,5 +8,7 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 

content/github/managing-subscriptions-and-notifications-on-github/triaging-a-single-notification.md

@@ -5,6 +5,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 ### Saving a single notification

content/github/managing-subscriptions-and-notifications-on-github/viewing-and-triaging-notifications.md

@@ -9,5 +9,7 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 

content/github/managing-subscriptions-and-notifications-on-github/viewing-your-subscriptions.md

@@ -18,6 +18,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '>=2.21'
   github-ae: '*'
+topics:
+  - notifications
 ---
 
 You receive notifications for your subscriptions of ongoing activity on {% data variables.product.product_name %}. There are many reasons you can be subscribed to a conversation. For more information, see "[About notifications](/github/managing-subscriptions-and-notifications-on-github/about-notifications#notifications-and-subscriptions)."