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/min-indent/readme.md

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+# min-indent [![Build Status](https://travis-ci.org/thejameskyle/min-indent.svg?branch=master)](https://travis-ci.org/thejameskyle/min-indent)
+
+> Get the shortest leading whitespace from lines in a string
+
+The line with the least number of leading whitespace, ignoring empty lines, determines the number.
+
+Useful for removing redundant indentation.
+
+
+## Install
+
+```
+$ npm install --save min-indent
+```
+
+
+## Usage
+
+```js
+const minIndent = require('min-indent');
+
+const str = '\tunicorn\n\t\tcake';
+/*
+	unicorn
+		cake
+*/
+
+minIndent(str); // 1
+```
+
+
+## Related
+
+- [strip-indent](https://github.com/sindresorhus/strip-indent) - Strip leading whitespace from each line in a string
+- [strip-indent-cli](https://github.com/sindresorhus/strip-indent-cli) - CLI for this module
+- [indent-string](https://github.com/sindresorhus/indent-string) - Indent each line in a string
+
+
+## License
+
+MIT © [James Kyle](https://thejameskyle.com)