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-replace-overflow-wrap/CHANGELOG.md

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+## 3.0
+* Use PostCSS 7.x
+* Bump various dependencies
+
+## 2.0
+* Use PostCSS 6.x
+* Use Node 4.x syntax
+
+## 1.0
+* Initial release

node_modules/postcss-replace-overflow-wrap/LICENSE

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+The MIT License (MIT)
+
+Copyright 2016 Matthias Müller <MattDiMu@users.noreply.github.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/postcss-replace-overflow-wrap/README.md

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+# PostCSS Replace Overflow Wrap [![CSS Standard Status][css-img]][css] [![Build Status][ci-img]][ci]
+
+[PostCSS] plugin to replace overflow-wrap with word-wrap. May optionally retain both declarations.
+
+[PostCSS]: https://github.com/postcss/postcss
+[css-img]: https://jonathantneal.github.io/css-db/badge/css-text-overflow-wrap-property.svg
+[css]:     https://jonathantneal.github.io/css-db/#css-text-overflow-wrap-property
+[ci-img]:  https://travis-ci.org/MattDiMu/postcss-replace-overflow-wrap.svg
+[ci]:      https://travis-ci.org/MattDiMu/postcss-replace-overflow-wrap
+
+
+```css
+/* before */
+.foo {
+    overflow-wrap: break-word;
+}
+
+/* after */
+.foo {
+    word-wrap: break-word;
+}
+```
+
+```css
+/* before, when the option { method: 'copy' } is passed */
+.foo {
+    overflow-wrap: break-word;
+}
+
+/* after */
+.foo {
+    word-wrap: break-word;
+    overflow-wrap: break-word;
+}
+```
+
+### Installation
+`npm install --save-dev postcss postcss-replace-overflow-wrap`
+
+For Postcss 7 or earlier use Version 3 or earlier:
+
+`npm install --save-dev postcss-replace-overflow-wrap@3`
+
+
+## Usage
+
+```js
+/* default usage, with no options (method = replace) */
+postcss([ require('postcss-replace-overflow-wrap') ])
+```
+
+```js
+/* add word-wrap, but keep overflow-wrap */
+postcss([ require('postcss-replace-overflow-wrap') ])({ method: 'copy' })
+```
+See [PostCSS] docs for examples for your environment.

node_modules/postcss-replace-overflow-wrap/index.js

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+// @ts-check
+
+module.exports = function (opts) {
+    opts = opts || {}
+    var method = opts.method || 'replace'
+    return {
+        postcssPlugin: 'postcss-replace-overflow-wrap',
+        Declaration: {
+            'overflow-wrap': decl => {
+                decl.cloneBefore({ prop: 'word-wrap' })
+                if (method === 'replace') {
+                    decl.remove()
+                }
+            }
+        }
+    }
+}
+
+module.exports.postcss = true

node_modules/postcss-replace-overflow-wrap/package.json

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+{
+  "name": "postcss-replace-overflow-wrap",
+  "version": "4.0.0",
+  "description": "PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.",
+  "keywords": [
+    "postcss",
+    "css",
+    "postcss-plugin",
+    "overflow-wrap",
+    "word-wrap"
+  ],
+  "author": "Matthias Müller <MattDiMu@users.noreply.github.com>",
+  "license": "MIT",
+  "repository": "MattDiMu/postcss-replace-overflow-wrap",
+  "bugs": {
+    "url": "https://github.com/MattDiMu/postcss-replace-overflow-wrap/issues"
+  },
+  "homepage": "https://github.com/MattDiMu/postcss-replace-overflow-wrap",
+  "files": [
+    "index.js"
+  ],
+  "dependencies": {},
+  "devDependencies": {
+    "ava": "^0.25.0",
+    "eslint": "^5.3.0",
+    "eslint-config-logux": "^24.0.0",
+    "eslint-config-postcss": "^3.0.3",
+    "eslint-config-standard": "^11.0.0",
+    "eslint-plugin-es5": "^1.3.1",
+    "eslint-plugin-import": "^2.13.0",
+    "eslint-plugin-jest": "^21.20.1",
+    "eslint-plugin-node": "^7.0.1",
+    "eslint-plugin-promise": "^3.8.0",
+    "eslint-plugin-security": "^1.4.0",
+    "eslint-plugin-standard": "^3.1.0",
+    "postcss": "^8.0.3"
+  },
+  "peerDependencies": {
+    "postcss": "^8.0.3"
+  },
+  "scripts": {
+    "test": "ava && eslint *.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint-config-postcss/es5",
+    "rules": {
+      "max-len": 0,
+      "es5/no-modules": false,
+      "indent": [
+        "warn",
+        4
+      ],
+      "es5/no-arrow-functions": 0
+    }
+  }
+}