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/adjust-sourcemap-loader/codec/bower-component.js

@@ -0,0 +1,21 @@
+'use strict';
+
+/**
+ * Codec for code generated by the Bower plugin.
+ * @type {{name:string, decode:function, abstract:boolean}}
+ */
+module.exports = {
+  name    : 'bowerComponent',
+  decode  : decode,
+  abstract: true
+};
+
+/**
+ * Validate the given uri (abstract).
+ * @this {{options: object}} A loader or compilation
+ * @param {string} uri A source uri to decode
+ * @returns {boolean|string} False where unmatched else True
+ */
+function decode(uri) {
+  return /^\/?([\w-]+)\s+\(bower component\)$/.test(uri);
+}