editormd.amd.js
function(md) {
            var settings = this.settings;
            var cm       = this.cm;
            
            cm.setValue(cm.getValue() + md);
            
            return this;
        }
function(md) {
            var settings = this.settings;
            var cm       = this.cm;
            
            cm.setValue(cm.getValue() + md);
            
            return this;
        }
追加markdown
append Markdown to editor

@param   {String}    md     要追加的markdown源文档
@returns {editormd}         返回editormd的实例对象