Add a subscribe button to the home page if supported

customize.dist/pages/index.js

@@ -72,6 +72,14 @@ define([
         });
         UI.addTooltips();
 
+        var subscribeButton;
+        /* Display a subscribe button if they are enabled and the button's translation key exists */
+        if (Config.allowSubscriptions && Msg.subscribe_button) {
+            subscribeButton = Pages.subscribeButton(function () {
+                Feedback.send('HOME_SUBSCRIBE_CRYPTPAD');
+            });
+        }
+
         var blocks = [
             h('div.row.cp-page-section', [
                 h('div.col-sm-6',
@@ -104,6 +112,7 @@ define([
                 h('div.col-sm-6', [
                     h('h2', Msg.home_support_title),
                     Pages.setHTML(h('span'), Msg.home_support),
+                    subscribeButton,
                     Pages.crowdfundingButton(function () {
                         Feedback.send('HOME_SUPPORT_CRYPTPAD');
                     }),