Implement full CryptDrive export

www/kanban/export.js

@@ -0,0 +1,16 @@
+// This file is used when a user tries to export the entire CryptDrive.
+// Pads from the code app will be exported using this format instead of plain text.
+define([
+], function () {
+    var module = {};
+
+    module.main = function (userDoc, cb) {
+        var content = userDoc.content;
+        cb(new Blob([JSON.stringify(content, 0, 2)], {
+            type: 'application/json',
+        }));
+    };
+
+    return module;
+});
+