add ace editor

assets/js/ace/snippets/text.js

@@ -0,0 +1,8 @@
+ace.define("ace/snippets/text",["require","exports","module"],function(e,t,n){"use strict";t.snippetText="",t.scope="text"});
+                (function() {
+                    ace.require(["ace/snippets/text"], function(m) {
+                        if (typeof module == "object" && typeof exports == "object" && module) {
+                            module.exports = m;
+                        }
+                    });
+                })();