added generation steps for all file which list api versions

scripts/generate/configuration_docs.js

@@ -0,0 +1,11 @@
+module.exports = function (done) {
+  var _ = require('../../src/lib/utils');
+
+  var chalk = require('chalk');
+  var fromRoot = _.partial(require('path').join, require('find-root')(__dirname));
+  var write = require('fs').writeFile;
+
+  var outputPath = fromRoot('docs/configuration.asciidoc');
+  write(outputPath, require('./templates').configurationDocs(), 'utf8', done);
+  console.log(chalk.white.bold('wrote'), 'configuration docs to', outputPath);
+};