feat: new related Front Matter

boolean, overwrite `displayRelatedPosts` in `config.toml`

BREAKING CHANGE: You must add `displayRelatedPosts = true` in
config.toml

README.md

@@ -155,6 +155,7 @@ toc | display TOC | boolean, overwrite `enableTOC` in `config.toml`, theme only
 displayCopyright | display post-copyright | boolean, overwrite `displayPostCopyright` in `config.toml`, theme only
 badge | display updated-badge | boolean, overwrite `displayUpdatedBadge` in `config.toml`, theme only
 gitinfo | display post-gitinfo | boolean, overwrite `displayPostGitInfo` in `config.toml`, theme only
+related | display related-posts | boolean, overwrite `displayRelatedPosts` in `config.toml`, theme only
 katex | add KaTeX support | boolean, overwrite `enableKaTeX` in `config.toml`, theme only
 comments | set `false` to disable comments in postSections or set `true` to enable comments in non-postSections | boolean, theme only
 original | original? You can add the following 9 terms if you set `false`. The `author` is required, other optional | boolean, overwrite `original` in `config.toml`, theme only

exampleSite/config.toml

@@ -696,6 +696,7 @@ editText = "Edit Me?"
 
 # Related Posts
 enableRelatedPosts = true
+displayRelatedPosts = true
 relatedPostsNumber = 5
 relatedPostsIcon = "plus-circle"
 

layouts/partials/post.html

@@ -116,7 +116,7 @@ <h1 class="post-title">{{ .Title }}</h1>
             </div>
         {{ end }}
 
-        {{ if .Site.Params.enableRelatedPosts }}
+        {{ if .Params.related | default .Site.Params.displayRelatedPosts }}
             {{ $related := .Site.RegularPages.Related . | first (.Site.Params.relatedPostsNumber | default 5) }}
             {{ with $related }}
                 <div class="related-posts">