Initial commit: Developer Tools MVP with visual editor

- Complete React app with 7 developer tools
- JSON Tool with visual structured editor
- Serialize Tool with visual structured editor
- URL, Base64, CSV/JSON, Beautifier, Diff tools
- Responsive navigation with dropdown menu
- Dark/light mode toggle
- Mobile-responsive design with sticky header
- All tools working with copy/paste functionality

node_modules/@jest/console/build/index.js

@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+Object.defineProperty(exports, 'BufferedConsole', {
+  enumerable: true,
+  get: function () {
+    return _BufferedConsole.default;
+  }
+});
+Object.defineProperty(exports, 'CustomConsole', {
+  enumerable: true,
+  get: function () {
+    return _CustomConsole.default;
+  }
+});
+Object.defineProperty(exports, 'NullConsole', {
+  enumerable: true,
+  get: function () {
+    return _NullConsole.default;
+  }
+});
+Object.defineProperty(exports, 'getConsoleOutput', {
+  enumerable: true,
+  get: function () {
+    return _getConsoleOutput.default;
+  }
+});
+
+var _BufferedConsole = _interopRequireDefault(require('./BufferedConsole'));
+
+var _CustomConsole = _interopRequireDefault(require('./CustomConsole'));
+
+var _NullConsole = _interopRequireDefault(require('./NullConsole'));
+
+var _getConsoleOutput = _interopRequireDefault(require('./getConsoleOutput'));
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}