Revert "deprecate embedded browser (#12163)"

This reverts commit 736d8cbac4.

Bring contrib files for older contributions

browser/build.js

@@ -0,0 +1,50 @@
+/*
+ * MinIO Object Storage (c) 2021 MinIO, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var async = require('async')
+var exec = require('child_process').exec
+var fs = require('fs')
+
+var isProduction = process.env.NODE_ENV == 'production' ? true : false
+
+rmDir = function(dirPath) {
+  try { var files = fs.readdirSync(dirPath); }
+  catch(e) { return; }
+  if (files.length > 0)
+    for (var i = 0; i < files.length; i++) {
+      var filePath = dirPath + '/' + files[i];
+      if (fs.statSync(filePath).isFile())
+        fs.unlinkSync(filePath);
+      else
+        rmDir(filePath);
+    }
+  fs.rmdirSync(dirPath);
+};
+
+async.waterfall([
+    function(cb) {
+      rmDir('release');
+      rmDir('dev');
+      var cmd = 'webpack -p --config webpack.production.config.js'
+      if (!isProduction) {
+        cmd = 'webpack';
+      }
+      console.log('Running', cmd)
+      exec(cmd, cb)
+    },
+  ], function(err) {
+    if (err) return console.log(err)
+  })