refactor(post): eval togglePreviousAndNextButtons as a bool (#315)

* refactor(post): eval togglePreviousAndNextButtons as a bool

* docs(basics): update togglePreviousAndNextButtons

Author: JimOswick

exampleSite/content/posts/theme-documentation-basics.md

@@ -195,7 +195,7 @@ See this sample `config.toml`, which uses Gokarna's default values, and [example
 
   # Show the previous and next post in your timeline: "true", "false"
   # Incompatible with Weight
-  togglePreviousAndNextButtons = "false"
+  togglePreviousAndNextButtons = false
 ```
 
 ### Accent color
@@ -325,7 +325,7 @@ If any post front matter contains `weight`, the posts will not appear by Date. S
 
 ```toml
 [params]
-  togglePreviousAndNextButtons = "false"
+  togglePreviousAndNextButtons = false
 ```
 
 ### Reading time

layouts/partials/post.html

@@ -56,7 +56,7 @@ <h1>{{ .Title | markdownify }}</h1>
     </div>
 
     <div class="prev-next">
-        {{ if eq .Site.Params.TogglePreviousAndNextButtons "true" }}
+        {{ if (eq .Site.Params.TogglePreviousAndNextButtons true) }}
             {{ if or .PrevInSection .NextInSection }}
                 {{ partial "prev-next.html" . }}
             {{ end }}