Document how to exclude pages/posts from search index

ref #1369

CHANGELOG.md

@@ -6,6 +6,7 @@
 * Remove Alexa.com verification due to retiring of "[Claim Your Site](https://support.alexa.com/hc/en-us/articles/219135887)" feature. [#1350](https://github.com/mmistakes/minimal-mistakes/issues/1350)
 * Disable analytics in `development` environment. [#1362](https://github.com/mmistakes/minimal-mistakes/pull/1362)
 * Disable comments in `development` environment. [#1363](https://github.com/mmistakes/minimal-mistakes/pull/1363)
+* Exclude specific pages/posts from search index by adding `search: false` to the YAML Front Matter. [#1369](https://github.com/mmistakes/minimal-mistakes/pull/1369)
 
 ### Bug Fixes
 

docs/_docs/10-layouts.md

@@ -7,7 +7,7 @@ single_layout_gallery:
     alt: "single layout with header example"
   - image_path: /assets/images/mm-layout-single-meta.png
     alt: "single layout with comments and related posts"
-last_modified_at: 2017-11-15T15:01:40-05:00
+last_modified_at: 2017-11-28T08:42:54-05:00
 toc: true
 toc_label: "Included Layouts"
 toc_icon: "columns"
@@ -275,6 +275,14 @@ A page with a search form. Add `layout: search` to the YAML Front Matter similar
 
 ![search page layout example]({{ "/assets/images/search-layout-example.png" | absolute_url }})
 
+### Exclusions
+
+If you would like to exclude specific pages/posts from the search index set the search flag to `false` in the YAML Front Matter for the page/post.
+
+```yaml
+search: false
+```
+
 **ProTip:** Add a link to this page in the masthead navigation.
 {: .notice--info}
 

docs/_docs/18-history.md

@@ -4,7 +4,7 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2017-11-27T12:39:16-05:00
+last_modified_at: 2017-11-28T08:41:19-05:00
 toc: true
 ---
 
@@ -16,6 +16,7 @@ toc: true
 * Remove Alexa.com verification due to retiring of "[Claim Your Site](https://support.alexa.com/hc/en-us/articles/219135887)" feature. [#1350](https://github.com/mmistakes/minimal-mistakes/issues/1350)
 * Disable analytics in `development` environment. [#1362](https://github.com/mmistakes/minimal-mistakes/pull/1362)
 * Disable comments in `development` environment. [#1363](https://github.com/mmistakes/minimal-mistakes/pull/1363)
+* Exclude specific pages/posts from search index by adding `search: false` to the YAML Front Matter. [#1369](https://github.com/mmistakes/minimal-mistakes/pull/1369)
 
 ### Bug Fixes