Update disqus support, add global site config BookDisqus

exampleSite/config.toml

@@ -72,3 +72,7 @@ enableGitInfo = true
   # Index is built on fly, therefore it might slowdown your website.
   BookSearch = true
 
+  # (Optional, default true) Enables disqus template on pages
+  # See https://gohugo.io/content-management/comments/#configure-disqus
+  # Can be overwritten by same param in page frontmatter
+  BookDisqus = true

exampleSite/config.yaml

@@ -69,3 +69,8 @@ params:
   # (Optional, default true) Enables search function with flexsearch,
   # Index is built on fly, therefore it might slowdown your website.
   BookSearch: true
+
+  # (Optional, default true) Enables disqus template on pages
+  # See https://gohugo.io/content-management/comments/#configure-disqus
+  # Can be overwritten by same param in page frontmatter
+  BookDisqus: true

exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json

@@ -1 +1 @@
-{"Target":"book.min.68d45956421753cdf6bcfc865ede445c56afc5bcaaebfe02961f44fe77d8f45a.css","MediaType":"text/css","Data":{"Integrity":"sha256-aNRZVkIXU832vPyGXt5EXFavxbyq6/4Clh9E/nfY9Fo="}}
+{"Target":"book.min.2f0632dc31655f852f191d7c354e584af6f6ca239af70afdd117bbe5950815b2.css","MediaType":"text/css","Data":{"Integrity":"sha256-LwYy3DFlX4UvGR18NU5YSvb2yiOa9wr90Re75ZUIFbI="}}