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/hoopy/CHANGELOG.md

@@ -0,0 +1,37 @@
+# Change log
+
+## 0.1.4
+
+### Other changes
+
+* project: update dev dependencies (e0b36a9)
+* project: migrate to gitlab (af3f598)
+
+## 0.1.3
+
+* fix: note minimum required node version (37e4481)
+* chore: update authors (cc53233)
+
+## 0.1.2
+
+* chore: add unit test of Array.prototype.slice (557cdb7)
+* fix: handle error when attempting to coerce in isInteger (e4e80f9)
+
+## 0.1.1
+
+* chore: trigger ci (b8ca7bd)
+* chore: tidy the example code (bb08e45)
+* fix: ensure sane grow behaviour for overflowed items (4e47f98)
+
+## 0.1.0
+
+* feature: implement basic circular array type (c17715a)
+* fix: throw from shift and unshift (660908f)
+* feature: add readme (8928671)
+* chore: add change log (cbb2b6b)
+* fix: fix lint error (d2b291a)
+
+## 0.0.0
+
+feat: add project boilerplate
+