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/postcss-color-rebeccapurple/dist/index.cjs

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+"use strict";function e(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var r=e(require("postcss-value-parser"));const s=e=>{const s=Object.assign({preserve:!1},e);return{postcssPlugin:"postcss-color-rebeccapurple",Declaration(e){if(!e.value.toLowerCase().includes("rebeccapurple"))return;const t=r.default(e.value);t.walk((e=>{"word"===e.type&&"rebeccapurple"===e.value.toLowerCase()&&(e.value="#639")}));const o=String(t);o!==e.value&&(e.cloneBefore({value:o}),s.preserve||e.remove())}}};s.postcss=!0,module.exports=s;

node_modules/postcss-color-rebeccapurple/dist/index.d.ts

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+import type { PluginCreator } from 'postcss';
+declare type pluginOptions = {
+    preserve?: boolean;
+};
+declare const creator: PluginCreator<pluginOptions>;
+export default creator;

node_modules/postcss-color-rebeccapurple/dist/index.mjs

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+import e from"postcss-value-parser";const r=r=>{const s=Object.assign({preserve:!1},r);return{postcssPlugin:"postcss-color-rebeccapurple",Declaration(r){if(!r.value.toLowerCase().includes("rebeccapurple"))return;const o=e(r.value);o.walk((e=>{"word"===e.type&&"rebeccapurple"===e.value.toLowerCase()&&(e.value="#639")}));const a=String(o);a!==r.value&&(r.cloneBefore({value:a}),s.preserve||r.remove())}}};r.postcss=!0;export{r as default};