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/lucide-react/dist/esm/icons/gavel.mjs.map

@@ -0,0 +1 @@
+{"version":3,"file":"gavel.mjs","sources":["../../../src/icons/gavel.ts"],"sourcesContent":["import createLucideIcon from '../createLucideIcon';\n\n/**\n * @component @name Gavel\n * @description Lucide SVG icon component, renders SVG Element with children.\n *\n * @preview ![img](data:image/svg+xml;base64,PHN2ZyAgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIgogIHdpZHRoPSIyNCIKICBoZWlnaHQ9IjI0IgogIHZpZXdCb3g9IjAgMCAyNCAyNCIKICBmaWxsPSJub25lIgogIHN0cm9rZT0iIzAwMCIgc3R5bGU9ImJhY2tncm91bmQtY29sb3I6ICNmZmY7IGJvcmRlci1yYWRpdXM6IDJweCIKICBzdHJva2Utd2lkdGg9IjIiCiAgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIgogIHN0cm9rZS1saW5lam9pbj0icm91bmQiCj4KICA8cGF0aCBkPSJtMTQgMTMtNy41IDcuNWMtLjgzLjgzLTIuMTcuODMtMyAwIDAgMCAwIDAgMCAwYTIuMTIgMi4xMiAwIDAgMSAwLTNMMTEgMTAiIC8+CiAgPHBhdGggZD0ibTE2IDE2IDYtNiIgLz4KICA8cGF0aCBkPSJtOCA4IDYtNiIgLz4KICA8cGF0aCBkPSJtOSA3IDggOCIgLz4KICA8cGF0aCBkPSJtMjEgMTEtOC04IiAvPgo8L3N2Zz4K) - https://lucide.dev/icons/gavel\n * @see https://lucide.dev/guide/packages/lucide-react - Documentation\n *\n * @param {Object} props - Lucide icons props and any valid SVG attribute\n * @returns {JSX.Element} JSX Element\n *\n */\nconst Gavel = createLucideIcon('Gavel', [\n  [\n    'path',\n    {\n      d: 'm14 13-7.5 7.5c-.83.83-2.17.83-3 0 0 0 0 0 0 0a2.12 2.12 0 0 1 0-3L11 10',\n      key: 'c9cbz0',\n    },\n  ],\n  ['path', { d: 'm16 16 6-6', key: 'vzrcl6' }],\n  ['path', { d: 'm8 8 6-6', key: '18bi4p' }],\n  ['path', { d: 'm9 7 8 8', key: '5jnvq1' }],\n  ['path', { d: 'm21 11-8-8', key: 'z4y7zo' }],\n]);\n\nexport default Gavel;\n"],"names":[],"mappings":";;;;;;AAaM,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAQ,iBAAiB,OAAS,CAAA,CAAA,CAAA;AAAA,CACtC,CAAA,CAAA;AAAA,CAAA,CAAA,CAAA,CACE,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA;AAAA,CACA,CAAA,CAAA,CAAA,CAAA;AAAA,CACE,CAAA,CAAA,CAAA,CAAA,CAAA,CAAG,EAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA;AAAA,CACH,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAK,EAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA;AAAA,CACP,CAAA,CAAA,CAAA,CAAA;AAAA,CACF,CAAA,CAAA,CAAA;AAAA,CAAA,CACA,CAAC,CAAA,CAAA,CAAA,CAAA,CAAA,CAAQ,CAAA,CAAA,CAAA,CAAE,GAAG,CAAc,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAK,UAAU,CAAA,CAAA;AAAA,CAAA,CAC3C,CAAC,CAAA,CAAA,CAAA,CAAA,CAAA,CAAQ,CAAA,CAAA,CAAA,CAAE,GAAG,CAAY,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAK,UAAU,CAAA,CAAA;AAAA,CAAA,CACzC,CAAC,CAAA,CAAA,CAAA,CAAA,CAAA,CAAQ,CAAA,CAAA,CAAA,CAAE,GAAG,CAAY,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAK,UAAU,CAAA,CAAA;AAAA,CAAA,CACzC,CAAC,CAAA,CAAA,CAAA,CAAA,CAAA,CAAQ,CAAA,CAAA,CAAA,CAAE,GAAG,CAAc,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAA,CAAK,UAAU,CAAA;AAC7C,CAAC,CAAA,CAAA;;"}