Added README

Author: vedit

README.md

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+# Node Modules Nuke
+
+Because your disk space is finite, but dependency trees apparently aren't.
+
+This is a simple Electron app that finds `node_modules` folders hiding in your system, tells you how much space they're wasting, and lets you delete them. You know, so you can have a clean slate before running `npm install` and filling it strictly back up again 10 minutes later.
+
+## Features
+
+- **Scan**: Crawls your directories. It might take a while. Filesystems are big.
+- **Review**: Sorts folders by size, so you can see which side project from 2019 is hoarding the most logic.
+- **Delete**: Removes selected folders. Gone. Poof. Until you need them again.
+
+## How to use
+
+1. Open the app.
+2. Select a directory to scan.
+3. Wait.
+4. Select the folders you want to delete.
+5. Click the button.
+
+## Development
+
+If you really feel the need to build this yourself:
+
+1. Clone the repo.
+2. Run `npm install`. Yes, you have to download `node_modules` to build the tool that deletes `node_modules`.
+3. Run `npm start`.
+
+To build a release:
+
+```bash
+npm run build
+```
+
+This uses `electron-builder`, so it handles Mac, Windows, and Linux. Theoretically.
+
+## License
+
+MIT. Do whatever you want with it.