code: function(dir, kits, file) {
                          var fillindex = kits.indexOf(file);
                          if (fillindex != -1) {
                              var copySnippet = path.join(dir, file);
                              var copySrc = copySnippet.replace(snipConfig, srcFile);
                              var data = fs.readFileSync(copySnippet, 'utf-8');
                              fse.ensureFileSync(copySrc);
                              fs.writeFileSync(copySrc, data, 'utf-8');
                              // console.log("copySnippet:",copySnippet,"...copySrc",copySrc)
                          }
                      }
docs: copy 根目录下md文档（包括SUMMARY & README）
  使用到全局变量: sumFile,readFile,snipConfig,srcFile