Add pinterest share button. (#16)

Close #15

README.md

@@ -177,6 +177,7 @@ googleAnalytics = "" # Enable Google Analytics by entering your tracking id
   linkedin = true
   vk = true
   pocket = true
+  pinterest = true
 
 # Web App Manifest settings
 # https://www.w3.org/TR/appmanifest/
@@ -302,7 +303,7 @@ More information available at [Hugo Related Content](https://gohugo.io/content-m
 
 To display share buttons, set up `[Params.Share]` specific parameters in your site config file.
 
-Available share buttons: Facebook, Twitter, Reddit, Telegram, LinkedIn, VK, Pocket
+Available share buttons: Facebook, Twitter, Reddit, Telegram, LinkedIn, VK, Pocket, Pinterest
 
 #### Thumbnail Image
 

layouts/partials/post_share.html

@@ -35,5 +35,10 @@
 		{{ partial "svg/pocket.svg" (dict "class" "share__icon" ) }}
 	</a>
 	{{- end }}
+	{{- if .Param "share.pinterest" }}
+	<a class="share__link btn" title="{{ T "save-caption" }} Pinterest" href="https://pinterest.com/pin/create/button/?url={{ .Permalink }}&description={{ .Title }}" target="_blank" rel="noopener noreferrer" onclick="window.open(this.href, '{{ T "save-caption" }} Pocket', 'width=800,height=720,toolbar=0,status=0'); return false">
+		{{ partial "svg/pinterest.svg" (dict "class" "share__icon" ) }}
+	</a>
+	{{- end }}
 </div>
 {{- end }}