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/get-own-enumerable-property-symbols/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+### [3.0.2](https://github.com/mightyiam/get-own-enumerable-property-symbols/compare/v3.0.1...v3.0.2) (2019-12-10)
+
+
+### Bug Fixes
+
+* add missing license file ([dbf11c2](https://github.com/mightyiam/get-own-enumerable-property-symbols/commit/dbf11c2b705dcfb42d6ac291f6608adb14ed6fd3)), closes [#87](https://github.com/mightyiam/get-own-enumerable-property-symbols/issues/87)
+
+### [3.0.1](https://github.com/mightyiam/get-own-enumerable-property-symbols/compare/v3.0.0...v3.0.1) (2019-10-04)