add topic frontmatter to articles (#18245)

content/github/working-with-github-pages/about-custom-domains-and-github-pages.md

@@ -9,6 +9,8 @@ redirect_from:
 product: '{% data reusables.gated-features.pages %}'
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 ### Supported custom domains

content/github/working-with-github-pages/about-github-pages-and-jekyll.md

@@ -22,6 +22,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 ### About Jekyll

content/github/working-with-github-pages/about-github-pages.md

@@ -14,6 +14,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 ### About {% data variables.product.prodname_pages %}

content/github/working-with-github-pages/about-jekyll-build-errors-for-github-pages-sites.md

@@ -10,6 +10,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 ### About Jekyll build errors

content/github/working-with-github-pages/adding-a-theme-to-your-github-pages-site-using-jekyll.md

@@ -10,6 +10,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 People with write permissions for a repository can add a theme to a {% data variables.product.prodname_pages %} site using Jekyll.

content/github/working-with-github-pages/adding-a-theme-to-your-github-pages-site-with-the-theme-chooser.md

@@ -8,6 +8,8 @@ redirect_from:
 product: '{% data reusables.gated-features.pages %}'
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 People with admin permissions for a repository can use the theme chooser to add a theme to a {% data variables.product.prodname_pages %} site.

content/github/working-with-github-pages/adding-content-to-your-github-pages-site-using-jekyll.md

@@ -8,6 +8,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 People with write permissions for a repository can add content to a {% data variables.product.prodname_pages %} site using Jekyll.

content/github/working-with-github-pages/configuring-a-custom-domain-for-your-github-pages-site.md

@@ -14,5 +14,7 @@ product: '{% data reusables.gated-features.pages %}'
 mapTopic: true
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 

content/github/working-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site.md

@@ -10,6 +10,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 For more information about publishing sources, see "[About {% data variables.product.prodname_pages %}](/articles/about-github-pages#publishing-sources-for-github-pages-sites)."

content/github/working-with-github-pages/creating-a-custom-404-page-for-your-github-pages-site.md

@@ -9,6 +9,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 {% data reusables.pages.navigate-site-repo %}

content/github/working-with-github-pages/creating-a-github-pages-site-with-jekyll.md

@@ -9,6 +9,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 {% data reusables.pages.org-owners-can-restrict-pages-creation %}

content/github/working-with-github-pages/creating-a-github-pages-site.md

@@ -12,6 +12,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 {% data reusables.pages.org-owners-can-restrict-pages-creation %}

content/github/working-with-github-pages/getting-started-with-github-pages.md

@@ -11,5 +11,7 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 

content/github/working-with-github-pages/index.md

@@ -15,6 +15,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 

content/github/working-with-github-pages/managing-a-custom-domain-for-your-github-pages-site.md

@@ -13,6 +13,8 @@ redirect_from:
 product: '{% data reusables.gated-features.pages %}'
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 People with admin permissions for a repository can configure a custom domain for a {% data variables.product.prodname_pages %} site.

content/github/working-with-github-pages/securing-your-github-pages-site-with-https.md

@@ -6,6 +6,8 @@ redirect_from:
   - /articles/securing-your-github-pages-site-with-https
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 People with admin permissions for a repository can enforce HTTPS for a {% data variables.product.prodname_pages %} site.

content/github/working-with-github-pages/setting-a-markdown-processor-for-your-github-pages-site-using-jekyll.md

@@ -10,6 +10,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 People with write permissions for a repository can set the Markdown processor for a {% data variables.product.prodname_pages %} site.

content/github/working-with-github-pages/setting-up-a-github-pages-site-with-jekyll.md

@@ -11,5 +11,7 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 

content/github/working-with-github-pages/testing-your-github-pages-site-locally-with-jekyll.md

@@ -10,6 +10,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 Anyone with read permissions for a repository can test a {% data variables.product.prodname_pages %} site locally.

content/github/working-with-github-pages/troubleshooting-custom-domains-and-github-pages.md

@@ -9,6 +9,8 @@ redirect_from:
 product: '{% data reusables.gated-features.pages %}'
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 ### _CNAME_ errors

content/github/working-with-github-pages/troubleshooting-jekyll-build-errors-for-github-pages-sites.md

@@ -29,6 +29,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 ### Troubleshooting build errors

content/github/working-with-github-pages/unpublishing-a-github-pages-site.md

@@ -13,6 +13,8 @@ versions:
   free-pro-team: '*'
   enterprise-server: '*'
   github-ae: '*'
+topics:
+  - pages
 ---
 
 ### Unpublishing a project site

content/github/working-with-github-pages/using-submodules-with-github-pages.md

@@ -7,6 +7,8 @@ redirect_from:
 product: '{% data reusables.gated-features.pages %}'
 versions:
   free-pro-team: '*'
+topics:
+  - pages
 ---
 
 If the repository for your {% data variables.product.prodname_pages %} site contains submodules, their contents will automatically be pulled in when your site is built.