Tweaked gitignore

gitignore removed all composer and npm files, so automated builds would fail

conf/site/node_modules/webpack-dev-server/lib/utils/createDomain.js

@@ -0,0 +1,29 @@
+'use strict';
+
+const url = require('url');
+const ip = require('internal-ip');
+
+function createDomain(options, server) {
+  const protocol = options.https ? 'https' : 'http';
+  const hostname = options.useLocalIp
+    ? ip.v4.sync() || 'localhost'
+    : options.host || 'localhost';
+
+  // eslint-disable-next-line no-nested-ternary
+  const port = options.socket ? 0 : server ? server.address().port : 0;
+  // use explicitly defined public url
+  // (prefix with protocol if not explicitly given)
+  if (options.public) {
+    return /^[a-zA-Z]+:\/\//.test(options.public)
+      ? `${options.public}`
+      : `${protocol}://${options.public}`;
+  }
+  // the formatted domain (url without path) of the webpack server
+  return url.format({
+    protocol,
+    hostname,
+    port,
+  });
+}
+
+module.exports = createDomain;