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/jake/test/unit/jakefile.js

@@ -0,0 +1,36 @@
+
+task('foo', function () {
+  console.log('ran top-level foo');
+});
+
+task('bar', function () {
+  console.log('ran top-level bar');
+});
+
+task('zerb', function () {
+  console.log('ran zerb');
+});
+
+namespace('zooby', function () {
+  task('zerp', function () {});
+
+  task('derp', ['zerp'], function () {});
+
+  namespace('frang', function () {
+
+    namespace('w00t', function () {
+      task('bar', function () {
+        console.log('ran zooby:frang:w00t:bar');
+      });
+    });
+
+    task('asdf', function () {});
+  });
+
+});
+
+namespace('hurr', function () {
+  namespace('durr');
+});
+
+