✨ Feature: add waline support (#331)

* Add waline support

* add avatar config for waline

_config.yml

@@ -257,6 +257,13 @@ disqus:
   # perPage: 10 # How much comment/page
   # labels: 'Vssue'
 
+# waline comment system. https://waline.js.org/
+# waline:
+  # enable: true
+  # serverURL: ''
+  # lang: zh-CN
+  # avatar: ''
+
 # Footer Settings
 # ---------------
 since: 2013

layout/includes/comments/index.pug

@@ -9,4 +9,6 @@ else if theme.gitalk && theme.gitalk.enable
 else if theme.valine && theme.valine.enable
   include ./valine.pug
 else if theme.vssue && theme.vssue.enable
-  include ./vssue.pug
+  include ./vssue.pug
+else if theme.waline && theme.waline.enable
+  include ./waline.pug

layout/includes/comments/waline.pug

@@ -0,0 +1,10 @@
+if theme.waline && theme.waline.enable
+  #waline
+  script(src='https://cdn.jsdelivr.net/npm/@waline/client')
+  script.
+    Waline({
+      el:'#waline',
+      serverURL: '#{theme.waline.serverURL}',
+      lang: '#{theme.waline.lang}'
+      avatar: '#{theme.waline.avatar}'
+    })