Add feedback about crowdfunding

server.js

@@ -86,6 +86,7 @@ var setHeaders = (function () {
 
 (function () {
 if (!config.logFeedback) { return; }
+console.log(config.logFeedback);
 
 const logFeedback = function (url) {
     url.replace(/\?(.*?)=/, function (all, fb) {

www/common/common-ui-elements.js

@@ -2354,19 +2354,23 @@ define([
                 $(yes).click(function () {
                     modal.delete();
                     common.openURL('https://opencollective.com/cryptpad/contribute');
+                    Feedback.send('CROWDFUNDING_YES');
                 });
                 $(modal.popup).find('a').click(function (e) {
                     e.stopPropagation();
                     e.preventDefault();
                     modal.delete();
                     common.openURL('https://opencollective.com/cryptpad/');
+                    Feedback.send('CROWDFUNDING_LINK');
                 });
                 $(no).click(function () {
                     modal.delete();
+                    Feedback.send('CROWDFUNDING_NO');
                 });
                 $(never).click(function () {
                     modal.delete();
                     common.setAttribute(['general', 'crowdfunding'], false);
+                    Feedback.send('CROWDFUNDING_NEVER');
                 });
 
             });